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PRG 420 NERD Redefined Education--prg420nerd.com

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The document details a series of assignments for a Java programming course (PRG 420), focusing on tasks such as coding simple Java programs, analyzing code, and working with programming concepts like loops and conditional statements. It includes specific instructions for each week's assignments, including links to starter code and resources for guidance. Various discussion questions are also posed to reflect on Java's features and programming practices.

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PRG 420 All Assignments FOR MORE CLASSES VISIT www.prg420nerd.com PRG 420 Week 1 Individual Analyzing a Simple Java™ Program (New Syllabus) PRG 420 Week 1 Coding a Simple “Hello, world!” Java™ Program (New Syllabus) PRG 420 Week 2 Analyzing a Program Containing if-then and switch (New Syllabus) PRG 420 Week 2 Coding a Program Containing if-then and switch (New Syllabus) PRG 420 Week 3 Analyzing a Program Containing Loops (New Syllabus) PRG 420 Week 3 Coding a Program Containing Loops (New Syllabus) PRG 420 Week 4 Analyzing a Program Containing Arrays (New Syllabus) PRG 420 Week 4 Coding a Program Containing an Array (New Syllabus) PRG 420 Week 5 Analyzing a Program Containing Exception Handling (New Syllabus) PRG 420 Week 5 Coding a Program Containing Exception Handling (New Syllabus) ----------------------------------------------------------------------------------------------
PRG 420 Week 1 Coding a Simple “Hello, world!” Java™ Program(New Syllabus) FOR MORE CLASSES VISIT www.prg420nerd.com Individual: Coding a Simple “Hello, world!” Java™ Program Instructions: Resource: • PRG 420 Week One Coding Assigment Text File (starter code for this assignment that includes placeholders) For this assignment, you will apply what you learned in analyzing a simple Java™ program by writing your own Java™ program. The Java™ program you write should do the following: • Display a prompt on the console asking the user to type in his or her first name • Construct the greeting string "Hello, nameEntered!" • Display the constructed greeting on the console Complete this assignment by doing the following: 1. Download the linked text file. 2. Add comments to the code by typing your name and the date in the multi-line comment header. 3. Replace the following lines with Java™ code as directed in the file: • LINE 1 • LINE 2 • LINE 3 • LINE 4 4. Comment each line of code you add to explain what you intend the code to do. 5. Test and modify your Java™ program until it runs without errors and produces the results as described above. Note: Refer to this PRG 420 Week's analyzing code assignment if you need help. After you complete your assignment, zip your JAVA source (.java) file and submit the ZIP file using the Assignment Files tab. Supporting Material: PRG 420 Week One Coding Assignment Text File ---------------------------------------------------------------------------------------------- PRG 420 Week 1 DQ 1
FOR MORE CLASSES VISIT www.prg420nerd.com Watch the first and second videos for Week 1. Explain a little about the Java Virtual Machine, what it executes, how it might be similar to any other language, and how it is different from a native language, such as C++. ---------------------------------------------------------------------------------------------- PRG 420 Week 1 DQ 2 FOR MORE CLASSES VISIT www.prg420nerd.com Java is a portable language, and being an object-oriented programming language, it also encourages component reusability. How does Java achieve these two important features? How are these features desirable in modern software engineering? ---------------------------------------------------------------------------------------------- PRG 420 Week 1 DQ 3 FOR MORE CLASSES VISIT www.prg420nerd.com You are a bank manager and you are helping a new bank teller understand the kind of accounts the bank offers. If a customer comes in asking to open a new savings account, the teller needs to ask what kind of account--passbook savings or certificate of deposit--the customer would like to open. Remind the customer that all accounts with our bank are insured by the FDIC. You should explain that all
accounts earn some interest; a savings account’s interest is compounded monthly. You should assign a unique account number after accepting the customer’s initial deposit. If the customer chooses to receive statements electronically, the system will send an e-mail with a monthly statement; if the customer chooses not to, then a paper statement will be sent by mail quarterly. If savings account is a class, give an example of each of the following as it relates to that savings account. Explain your reasoning behind your example. o Superclass o Subclass o Attribute o Method o Instance (object) o Encapsulation ---------------------------------------------------------------------------------------------- PRG 420 Week 1 Individual Analyzing a Simple Java™ Program (New Syllabus) FOR MORE CLASSES VISIT www.prg420nerd.com Individual: Analyzing a Simple Java™ Program Instructions: Resource: • PRG 420 Week One Analyze Assignment Text File Analyzing Java™ code--that is, reading and predicting the outcome of Java™ code, given one or more inputs--is an essential skill. The ability to analyze code allows you to learn from example code and tutorials. It also allows you to write and debug your own Java™ code. For this assignment, you will be analyzing the Java™ code in the linked text file. Carefully read through the code line by line, then answer the following questions in a Microsoft® Word document: 1. What syntax signals a Java™ comment? (In other words, what symbol(s) tell the Java™ compiler not to process certain text?) 2. Type the line(s) of code
that accept user input. 3. Type the line(s) of code that process user input. 4. Type the line(s) of code that produce output. 5. Type the result this program would produce if a user, when prompted, responded by typing "everyone" and then hit Enter. 6. Type the result this program would produce if a user, when prompted, responded by typing in "Mickey Mouse" and hit Enter. 7. Type the result this program would produce if a user, when prompted, responded by typing "Benjamin Franklin" and hit Enter. Submit your completed Word document using the Assignment Files tab. Supporting Material: PRG 420 Week One Analyze Assignment Text File ---------------------------------------------------------------------------------------------- PRG 420 Week 1 Individual Assignment Hello world FOR MORE CLASSES VISIT www.prg420nerd.com INDIVIDUAL ASSIGNMENT OF WEEK # 1 Create a program in Java™ that displays “Hello world!” Take a screen shot that shows the program’s successful compilation and execution. Then submit your program along with the screen shot. ---------------------------------------------------------------------------------------------- PRG 420 Week 2 Analyzing a Program Containing if-then and switch(New Syllabus)
FOR MORE CLASSES VISIT www.prg420nerd.com Individual: Analyzing a Program Containing if-then and switch Instructions: Resource: • PRG 420 Week Two Analyze Assignment Text File The ability to read through Java™ code and predict the results, given specific inputs, is an extremely useful skill. For this assignment, you will be analyzing the Java™ code in the linked text file, and predicting the results given specific input. Carefully read through the code line by line, then answer the following questions in a Microsoft® Word document: 1. What is the output of the program as it is written? 2. What would the output of the program be if you assigned I AmHappy to false, num to 35, and numDayOf PRG 420 Week to 5? 3. What would the output of the program be if you assigned the I AmHappy to 5, num to 50, and numDayOf PRG 420 Week to 8? Submit your completed Word document using the Assignment Files tab. Supporting Material: PRG 420 Week Two Analyze Assignment Text File ---------------------------------------------------------------------------------------------- PRG 420 Week 2 Coding a Program Containing if-then and switch(New Syllabus) FOR MORE CLASSES VISIT www.prg420nerd.com Individual: Coding a Program Containing if-then and switch Instructions: Resources: • PRG 420 Week Two Coding Assigment Text File (starter code for this assignment that includes placeholders) • PRG 420 Week Two Recommended Activity Text File (examples of
how to code a switch statement, an if-then-else statement, and how to construct a string to display text onscreen) For this assignment, you will apply what you learned in analyzing Java™ code so far in this course by writing your own Java™ program. The Java™ program you write should do the following: • Accept user input that represents the number of sides in a polygon. Note: The code to do this is already written for you. • If input value is not between 3 and 5, display an informative error message • If input value is between 3 and 5, use a switch statement to display a message that identifies the correct polygon based on the number of sides matching the input number (e.g., triangle, rectangle, or polygon) Complete this assignment by doing the following: 1. Download the linked PRG 420 Week Two Coding Assigment Text File. 2. Read the file carefully, especially the explanatory comments of what the existing code does. 3. Add your name and the date in the multi-line comment header. 4. Refer to the following linked PRG 420 Week Two Recommended Activity Text File to see examples of how to code all of the Java™ statements (i.e., switch, println(), and if-then-else) you will need to write to complete this Assignment. 5. Replace the following lines with Java code as directed in the file: • LINE 1 • LINE 2 6. Comment each line of code you add to explain what you intend the code to do. 7. Test and modify your Java™ program until it runs without errors and produces the results as described above. Note: Refer to this PRG 420 Week's analyzing code assignment if you need help. After you complete your assignment, zip your JAVA source (.java) file and submit the ZIP file using the Assignment Files tab. Supporting Material: PRG 420 Week Two Coding Assignment Text File PRG 420 Week Two Recommended Activity Text File
---------------------------------------------------------------------------------------------- PRG 420 Week 2 DQ 1 FOR MORE CLASSES VISIT www.prg420nerd.com Please watch the first three videos for Week 2 (around 40 minutes). Explain how an outside class may be given access to find the value of a private instance variable, or to change the value of a private instance variable. Why does this add value to your program? ---------------------------------------------------------------------------------------------- PRG 420 Week 2 DQ 2 FOR MORE CLASSES VISIT www.prg420nerd.com What are the three types of errors that you can encounter in a Java™ program? Describe them, and explain how you would minimize the errors. What are some examples of errors that you have seen before? ---------------------------------------------------------------------------------------------- PRG 420 Week 2 DQ 3 FOR MORE CLASSES VISIT www.prg420nerd.com A class is a blueprint for an object. A class may have a default constructor, a constructor with arguments, accessor methods, mutator methods, public fields, and private fields. Choose a category
(such as animal, vehicle, and so on) and describe how you would design a class for it. ---------------------------------------------------------------------------------------------- PRG 420 Week 2 Individual Assignment Netbeans Project (annual compensation) FOR MORE CLASSES VISIT www.prg420nerd.com INDIVIDUAL ASSIGNMENT OF WEEK # 2 Write a Java™ application using NetBeans™ Integrated Development Environment (IDE) that calculates the total annual compensation of a salesperson. Consider the following factors: A salesperson will earn a fixed salary of $50,000 A salesperson will also receive a commission as a sales incentive. Commission is a percentage of the salesperson’s annual sales. The current commission is 5 % of total sales.
The total annual compensation is the fixed salary plus the commission earned. The Java™ application should meet these technical requirements: The application should have at least one class, in addition to the application’s controlling class (a controlling class is where the main function resides). There should be proper documentation in the source code. The application should ask the user to enter annual sales, and it should display the total annual compensation. ---------------------------------------------------------------------------------------------- PRG 420 Week 3 Analyzing a Program Containing Loops(New Syllabus) FOR MORE CLASSES VISIT www.prg420nerd.com Individual: Analyzing a Program Containing Loops Instructions: Resource: • PRG 420 Week Three Analyze Assignment Text File For this assignment, you will be analyzing the Java™ code in the linked PRG 420 Week Three Analyze Assignment Text File, and predicting the
results. You will also examine both the code and the output for inconsistencies And clarity. This Java™ code includes examples of for, while, and do while Loops. Carefully read through the code line by line, then answer the following questions in a Microsoft® Word document: 1. What is the output of the program as it is written? 2. What improvement(s) could be made to this code to make the output clearer or more accurate, or to make the code easier to maintain? Note: You do not have to make the improvements in the Java™ program, although you certainly may. For this assignment, simply describe the things you see that would need to be improved to elevate the code and output to a more professional level. For the code, consider variable names and hardcoding. For the output, consider formatting/punctuation, repetition, accuracy of information, and wording. Submit your completed Word document using the Assignment Files tab. Supporting Material: PRG 420 Week Three Analyze Assignment Text File ---------------------------------------------------------------------------------------------- PRG 420 Week 3 Coding a Program Containing Loops(New Syllabus) FOR MORE CLASSES VISIT www.prg420nerd.com Individual: Coding a Program Containing Loops Instructions: Resource: • PRG 420 Week Three Coding Assignment Text File (starter code for this assignment that includes placeholders) For this assignment, you will apply what you learned in analyzing for, while, and do-while loops by writing these statements yourself. The Java™ program you write should do the following: • Display a pyramid of asterisks
onscreen (i.e., a nested for loop) • Display the integers 10 to 1 in decreasing order, one number per line (i.e., a while/do-whlie loop) • Add 7 until the sum becomes greater than 157, at which point the program should display both the sum and the number of 7s added Complete this assignment by doing the following: 1. Download the linked PRG 420 Week Three Coding Assignment Text File. 2. Add comments to the code by typing your name and the date in the multi- line comment header. 3. Replace the following lines with Java™ code as directed in the file: • LINE 1 • LINE 2 • LINE 3 4. Comment each line of code you add to explain what you intend the code to do and why you chose each type of loop. 5. Test and modify your Java™ program until it runs without errors and produces the results as described above. Note: Refer to this PRG 420 Week's analyzing code assignment if you need help. After you complete your assignment, zip your JAVA source (.java) file and submit the ZIP file using the Assignment Files tab. Supporting Material: PRG 420 Week Three Coding Assignment Text File ---------------------------------------------------------------------------------------------- PRG 420 Week 3 DQ 1 FOR MORE CLASSES VISIT www.prg420nerd.com Please watch the first and the fifth (next to the last) videos for Week 3 (feel free to use the transcripts, too!) . Tell me about the similarities between the conditionals in if statements and the conditionals in while statements. ----------------------------------------------------------------------------------------------
PRG 420 Week 3 DQ 2 FOR MORE CLASSES VISIT www.prg420nerd.com Convert the following program from for loop to while loop. class ArithmeticProgression { public static void main (String [] args) { int sum = 0; for (int i = 1; i <= 1000; i++) { sum = sum + i; System.out.println(Integer.toString(sum)); } } } ---------------------------------------------------------------------------------------------- PRG 420 Week 3 DQ 3 FOR MORE CLASSES VISIT www.prg420nerd.com There are 3 kinds of loops—for loop, while loop, and do while loop. Under which circumstances would each kind of loop be more appropriate? Explain your answers using specific examples. ---------------------------------------------------------------------------------------------- PRG 420 Week 3 DQ 4 FOR MORE CLASSES VISIT www.prg420nerd.com Consider the following conditions: CONDITION 1: while ( !(cChoice == 'Q' || cChoice == 'q') ) CONDITION 2: while ( cChoice != 'Q' || cChoice != 'q' ) Do Conditions 1 and 2 give the same result? What tool or technique would you use to explain the result?
---------------------------------------------------------------------------------------------- PRG 420 Week 3 Individual Assignment Netbeans Project (annual compensation with commission) FOR MORE CLASSES VISIT www.prg420nerd.com INDIVIDUAL ASSIGNMENT OF WEEK # 3 Modify the Week Two Java™ application using Java™ NetBeans™ IDE to meet these additional and changed business requirements: The company has recently changed its total annual compensation policy to improve sales. A salesperson will continue to earn a fixed salary of $50,000. The current sales target for every salesperson is $120,000. The sales incentive will only start when 80% of the sales target is met. The current commission is 5% of total sales.
If a salesperson exceeds the sales target, the commission will increase based on an acceleration factor. The acceleration factor is 1.5. The application should ask the user to enter annual sales, and it should display the total annual compensation. The application should also display a table of potential total annual compensation that the salesperson could have earned, in $5000 increments above the salesperson’s annual sales, until it reaches 50% above the salesperson’s annual sales. Sample Table: Assuming a total annual sales of $100,000, the table would look like this: Total Sales Total Compensation 100,000
<> 105,000 <> 110,000 <> 115,000 <> 120,000 <>
125,000 <> 130,000 <> 135,000 <> 140,000 <> 145,000
<> 150,000 <> The Java™ application should also meet these technical requirements: The application should have at least one class, in addition to the application’s controlling class. The source code must demonstrate the use of conditional and looping structures. There should be proper documentation in the source code. ---------------------------------------------------------------------------------------------- PRG 420 Week 4 Analyzing a Program Containing Arrays(New Syllabus) FOR MORE CLASSES VISIT
www.prg420nerd.com Individual: Analyzing a Program Containing Arrays Instructions: Resource: • PRG 420 Week Four Analyze Assignment Text File The ability to read through Java™ code and predict the results, given specific inputs, is an extremely useful skill. For this assignment, you will be analyzing the Java™ code in the linked PRG 420 Week Four Analyze Assignment Text File, and answering questions about the array that appears in the code. Carefully read through the code line by line, then answer the following questions in a Microsoft® Word document: 1. If an array had not been chosen to hold the data manipulated in this program, how else (i.e., with what other data types) could it have been represented? 2. Which approach, using an array or using the alternative you identified in question #1, is shorter/easier? 3. What is the output of this program? 4. What would be the result of using a println() statement to display the value of arraynum[8]? 5. How many values can arraynum contain, and why? Submit your completed Word document using the Assignment Files tab. Supporting Material: PRG 420 Week Four Analyze Assignment Text File ---------------------------------------------------------------------------------------------- PRG 420 Week 4 Coding a Program Containing an Array(New Syllabus) FOR MORE CLASSES VISIT www.prg420nerd.com Individual: Coding a Program Containing an Array Instructions: Resource: • PRG 420 Week Four Coding Assigment Text File (starter code for this assignment that includes placeholders) For this
assignment, you will apply what you learned in analyzing a simple Java™ program by writing your own Java™ program that creates and accesses an array of integers. The Java™ program you write should do the following: • Create an array to hold 10 integers • Ask the user for an integer. Note: This code has already been written for you. • Populate the array. Note: The first element should be the integer input by the user. The second through tenth elements should each be the previous element + 100. For example, if the user inputs 10, the first array value should be 10, the second 110, the third 210, and so on. • Display the contents of the array on the screen in ascending index order. Complete this assignment by doing the following: 1. Download the linked PRG 420 Week Four Coding Assigment Text File. 2. Read each line of the file carefully, including the detailed instructions at the top. 3. Add comments to the code by typing your name and the date in the multi-line comment header. 4. Replace the following lines with Java™ code as directed in the file: • LINE 1 • LINE 2 • LINE 3 • LINE 4 • LINE 5 5. Comment each line of code you add to explain what you intend the code to do. 6. Test and modify your Java™ program until it runs without errors and produces the results as described above. Note: Refer to this PRG 420 Week's analyzing code assignment if you need help. After you complete your assignment, zip your JAVA source (.java) file and submit the ZIP file using the Assignment Files tab. Supporting Material: PRG 420 Week Four Coding Assignment Text File ---------------------------------------------------------------------------------------------- PRG 420 Week 4 DQ 1 FOR MORE CLASSES VISIT
www.prg420nerd.com Assuming you want an array (named many) of seven ints what would be the easiest way to write the code if you wanted many to contain all zeros? What if you wanted many to contain a selection of seven values, that were not all zeros? What would be the subscripts of all the elements of many? ---------------------------------------------------------------------------------------------- PRG 420 Week 4 DQ 2 FOR MORE CLASSES VISIT www.prg420nerd.com What is the difference between arrays and ArrayList? What are the advantages and disadvantages of an ArrayList, and when should you use an ArrayList over a simple array? ---------------------------------------------------------------------------------------------- PRG 420 Week 4 DQ 3 FOR MORE CLASSES VISIT www.prg420nerd.com What is the difference between string and StringBuilder? What are the advantages and disadvantages of a StringBuilder, and when should you use a StringBuilder over a simple String? ---------------------------------------------------------------------------------------------- PRG 420 Week 4 Individual Assignment Netbeans Project (annual compensation comparison)
FOR MORE CLASSES VISIT www.prg420nerd.com INDIVIDUAL ASSIGNMENT OF WEEK # 4 Modify the Week Three Java™ application using Java™ NetBeans™ IDE to meet these additional and changed business requirements: The application will now compare the total annual compensation of at least two salespersons. It will calculate the additional amount of sales that each salesperson must achieve to match or exceed the higher of the two earners. The application should ask for the name of each salesperson being compared. The Java™ application should also meet these technical requirements:
The application should have at least one class, in addition to the application’s controlling class. The source code must demonstrate the use of Array or ArrayList. There should be proper documentation in the source code. ---------------------------------------------------------------------------------------------- PRG 420 Week 5 Analyzing a Program Containing Exception Handling(New Syllabus) FOR MORE CLASSES VISIT www.prg420nerd.com Individual: Analyzing a Program Containing Exception Handling Instructions: Resource: • PRG 420 Week Five Analyze Assignment Text File For this assignment, you will be analyzing the code in the linked PRG 420 Week Five Analyze Assignment Text File. This program contains exception handling code. You will be evaluating the code and using what you learned in this PRG 420 Week's readings to predict the results based on the program as written, as well as based on changing the value of a specific variable. Carefully read through the code line by line, then answer the following questions in a Microsoft® Word document: 1. What are the results of the program as written? 2. What results would the program produce if you changed the value of a from 0 to 3? Submit your completed Word document using the Assignment
Files tab. Supporting Material: PRG 420 Week Five Analyze Assignment Text File ---------------------------------------------------------------------------------------------- PRG 420 Week 5 Coding a Program Containing Exception Handling(New Syllabus) FOR MORE CLASSES VISIT www.prg420nerd.com Individual: Coding a Program Containing Exception Handling Instructions: Resource: • PRG 420 Week Five Coding Assignment Text File (starter code for this assignment that includes placeholders) For this assignment, you will apply what you learned in analyzing a simple Java™ program by writing your own Java™ program. The Java™ program you write should do the following: • Organize the code capable of throwing an exception of type ParseException as a try block. • Include a catch block to handle a ParseException error thrown by the try block. • Include a hard-coded error that results in a ParseException to prove that the code can catch and handle this type of exception. Complete this assignment by doing the following: 1. Download the linked PRG 420 Week Five Coding Assignment Text File. 2. Add comments to the code by typing your name and the date in the multi-line comment header. 3. Replace the following lines with Java™ code as directed in the file: • LINE 1 • LINE 2 4. Replace the value assigned with one of the variables so that the program throws an exception. 5. Comment each line of code you add to explain what you intend the code to do. Be sure to include a comment for the replacement value you added in Step 4 that causes the program to
throw an exception. 6. Test and modify your Java™ program until it runs without errors and produces the results described above. Note: Refer to this PRG 420 Week's analyzing code assignment if you need help. After you complete your assignment, zip your JAVA file and submit the ZIP file using the Assignment Files tab. SupportingMaterial: PRG 420 Week Five Coding Assignment Text File ---------------------------------------------------------------------------------------------- PRG 420 Week 5 DQ 1 FOR MORE CLASSES VISIT www.prg420nerd.com Please explain one use for a static variable in a class. Please explain how you might use one static method ( not main() ) in a class. ---------------------------------------------------------------------------------------------- PRG 420 Week 5 DQ 2 FOR MORE CLASSES VISIT www.prg420nerd.com In your opinion, what are the three biggest challenges in planning and designing a solution for a programming problem? What can you do to overcome these challenges? How would you apply these techniques to the programs in this class? ---------------------------------------------------------------------------------------------- PRG 420 Week 5 DQ 3 FOR MORE CLASSES VISIT
www.prg420nerd.com Using an example from your work or daily life, describe an "is-a" relationship. Why is an "is-a" relationship important when designing an inheritance between classes? ---------------------------------------------------------------------------------------------- PRG 420 Week 5 Team Assignment Resuability (2 Papers) FOR MORE CLASSES VISIT www.prg420nerd.com In the real world, an entire program is rarely written from scratch. It is very likely that there are classes or methods that already exist. The key to using these existing modules successfully depends on how modularly the classes or methods are written. In this Learning Team assignment, your mission is to take a section of one team member’s Week Four program and replace a similar section of another team member’s Week Four program. Submit the following deliverables for this Learning Team assignment: A 700- to 1050-word paper describing the following: How the two programs were selected The process of identifying the classes or methods for replacement The changes needed to make the final Java™ application program work correctly The final Java™ application program ----------------------------------------------------------------------------------------------

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PRG 420 NERD Redefined Education--prg420nerd.com

  • 1. PRG 420 All Assignments FOR MORE CLASSES VISIT www.prg420nerd.com PRG 420 Week 1 Individual Analyzing a Simple Java™ Program (New Syllabus) PRG 420 Week 1 Coding a Simple “Hello, world!” Java™ Program (New Syllabus) PRG 420 Week 2 Analyzing a Program Containing if-then and switch (New Syllabus) PRG 420 Week 2 Coding a Program Containing if-then and switch (New Syllabus) PRG 420 Week 3 Analyzing a Program Containing Loops (New Syllabus) PRG 420 Week 3 Coding a Program Containing Loops (New Syllabus) PRG 420 Week 4 Analyzing a Program Containing Arrays (New Syllabus) PRG 420 Week 4 Coding a Program Containing an Array (New Syllabus) PRG 420 Week 5 Analyzing a Program Containing Exception Handling (New Syllabus) PRG 420 Week 5 Coding a Program Containing Exception Handling (New Syllabus) ----------------------------------------------------------------------------------------------
  • 2. PRG 420 Week 1 Coding a Simple “Hello, world!” Java™ Program(New Syllabus) FOR MORE CLASSES VISIT www.prg420nerd.com Individual: Coding a Simple “Hello, world!” Java™ Program Instructions: Resource: • PRG 420 Week One Coding Assigment Text File (starter code for this assignment that includes placeholders) For this assignment, you will apply what you learned in analyzing a simple Java™ program by writing your own Java™ program. The Java™ program you write should do the following: • Display a prompt on the console asking the user to type in his or her first name • Construct the greeting string "Hello, nameEntered!" • Display the constructed greeting on the console Complete this assignment by doing the following: 1. Download the linked text file. 2. Add comments to the code by typing your name and the date in the multi-line comment header. 3. Replace the following lines with Java™ code as directed in the file: • LINE 1 • LINE 2 • LINE 3 • LINE 4 4. Comment each line of code you add to explain what you intend the code to do. 5. Test and modify your Java™ program until it runs without errors and produces the results as described above. Note: Refer to this PRG 420 Week's analyzing code assignment if you need help. After you complete your assignment, zip your JAVA source (.java) file and submit the ZIP file using the Assignment Files tab. Supporting Material: PRG 420 Week One Coding Assignment Text File ---------------------------------------------------------------------------------------------- PRG 420 Week 1 DQ 1
  • 3. FOR MORE CLASSES VISIT www.prg420nerd.com Watch the first and second videos for Week 1. Explain a little about the Java Virtual Machine, what it executes, how it might be similar to any other language, and how it is different from a native language, such as C++. ---------------------------------------------------------------------------------------------- PRG 420 Week 1 DQ 2 FOR MORE CLASSES VISIT www.prg420nerd.com Java is a portable language, and being an object-oriented programming language, it also encourages component reusability. How does Java achieve these two important features? How are these features desirable in modern software engineering? ---------------------------------------------------------------------------------------------- PRG 420 Week 1 DQ 3 FOR MORE CLASSES VISIT www.prg420nerd.com You are a bank manager and you are helping a new bank teller understand the kind of accounts the bank offers. If a customer comes in asking to open a new savings account, the teller needs to ask what kind of account--passbook savings or certificate of deposit--the customer would like to open. Remind the customer that all accounts with our bank are insured by the FDIC. You should explain that all
  • 4. accounts earn some interest; a savings account’s interest is compounded monthly. You should assign a unique account number after accepting the customer’s initial deposit. If the customer chooses to receive statements electronically, the system will send an e-mail with a monthly statement; if the customer chooses not to, then a paper statement will be sent by mail quarterly. If savings account is a class, give an example of each of the following as it relates to that savings account. Explain your reasoning behind your example. o Superclass o Subclass o Attribute o Method o Instance (object) o Encapsulation ---------------------------------------------------------------------------------------------- PRG 420 Week 1 Individual Analyzing a Simple Java™ Program (New Syllabus) FOR MORE CLASSES VISIT www.prg420nerd.com Individual: Analyzing a Simple Java™ Program Instructions: Resource: • PRG 420 Week One Analyze Assignment Text File Analyzing Java™ code--that is, reading and predicting the outcome of Java™ code, given one or more inputs--is an essential skill. The ability to analyze code allows you to learn from example code and tutorials. It also allows you to write and debug your own Java™ code. For this assignment, you will be analyzing the Java™ code in the linked text file. Carefully read through the code line by line, then answer the following questions in a Microsoft® Word document: 1. What syntax signals a Java™ comment? (In other words, what symbol(s) tell the Java™ compiler not to process certain text?) 2. Type the line(s) of code
  • 5. that accept user input. 3. Type the line(s) of code that process user input. 4. Type the line(s) of code that produce output. 5. Type the result this program would produce if a user, when prompted, responded by typing "everyone" and then hit Enter. 6. Type the result this program would produce if a user, when prompted, responded by typing in "Mickey Mouse" and hit Enter. 7. Type the result this program would produce if a user, when prompted, responded by typing "Benjamin Franklin" and hit Enter. Submit your completed Word document using the Assignment Files tab. Supporting Material: PRG 420 Week One Analyze Assignment Text File ---------------------------------------------------------------------------------------------- PRG 420 Week 1 Individual Assignment Hello world FOR MORE CLASSES VISIT www.prg420nerd.com INDIVIDUAL ASSIGNMENT OF WEEK # 1 Create a program in Java™ that displays “Hello world!” Take a screen shot that shows the program’s successful compilation and execution. Then submit your program along with the screen shot. ---------------------------------------------------------------------------------------------- PRG 420 Week 2 Analyzing a Program Containing if-then and switch(New Syllabus)
  • 6. FOR MORE CLASSES VISIT www.prg420nerd.com Individual: Analyzing a Program Containing if-then and switch Instructions: Resource: • PRG 420 Week Two Analyze Assignment Text File The ability to read through Java™ code and predict the results, given specific inputs, is an extremely useful skill. For this assignment, you will be analyzing the Java™ code in the linked text file, and predicting the results given specific input. Carefully read through the code line by line, then answer the following questions in a Microsoft® Word document: 1. What is the output of the program as it is written? 2. What would the output of the program be if you assigned I AmHappy to false, num to 35, and numDayOf PRG 420 Week to 5? 3. What would the output of the program be if you assigned the I AmHappy to 5, num to 50, and numDayOf PRG 420 Week to 8? Submit your completed Word document using the Assignment Files tab. Supporting Material: PRG 420 Week Two Analyze Assignment Text File ---------------------------------------------------------------------------------------------- PRG 420 Week 2 Coding a Program Containing if-then and switch(New Syllabus) FOR MORE CLASSES VISIT www.prg420nerd.com Individual: Coding a Program Containing if-then and switch Instructions: Resources: • PRG 420 Week Two Coding Assigment Text File (starter code for this assignment that includes placeholders) • PRG 420 Week Two Recommended Activity Text File (examples of
  • 7. how to code a switch statement, an if-then-else statement, and how to construct a string to display text onscreen) For this assignment, you will apply what you learned in analyzing Java™ code so far in this course by writing your own Java™ program. The Java™ program you write should do the following: • Accept user input that represents the number of sides in a polygon. Note: The code to do this is already written for you. • If input value is not between 3 and 5, display an informative error message • If input value is between 3 and 5, use a switch statement to display a message that identifies the correct polygon based on the number of sides matching the input number (e.g., triangle, rectangle, or polygon) Complete this assignment by doing the following: 1. Download the linked PRG 420 Week Two Coding Assigment Text File. 2. Read the file carefully, especially the explanatory comments of what the existing code does. 3. Add your name and the date in the multi-line comment header. 4. Refer to the following linked PRG 420 Week Two Recommended Activity Text File to see examples of how to code all of the Java™ statements (i.e., switch, println(), and if-then-else) you will need to write to complete this Assignment. 5. Replace the following lines with Java code as directed in the file: • LINE 1 • LINE 2 6. Comment each line of code you add to explain what you intend the code to do. 7. Test and modify your Java™ program until it runs without errors and produces the results as described above. Note: Refer to this PRG 420 Week's analyzing code assignment if you need help. After you complete your assignment, zip your JAVA source (.java) file and submit the ZIP file using the Assignment Files tab. Supporting Material: PRG 420 Week Two Coding Assignment Text File PRG 420 Week Two Recommended Activity Text File
  • 8. ---------------------------------------------------------------------------------------------- PRG 420 Week 2 DQ 1 FOR MORE CLASSES VISIT www.prg420nerd.com Please watch the first three videos for Week 2 (around 40 minutes). Explain how an outside class may be given access to find the value of a private instance variable, or to change the value of a private instance variable. Why does this add value to your program? ---------------------------------------------------------------------------------------------- PRG 420 Week 2 DQ 2 FOR MORE CLASSES VISIT www.prg420nerd.com What are the three types of errors that you can encounter in a Java™ program? Describe them, and explain how you would minimize the errors. What are some examples of errors that you have seen before? ---------------------------------------------------------------------------------------------- PRG 420 Week 2 DQ 3 FOR MORE CLASSES VISIT www.prg420nerd.com A class is a blueprint for an object. A class may have a default constructor, a constructor with arguments, accessor methods, mutator methods, public fields, and private fields. Choose a category
  • 9. (such as animal, vehicle, and so on) and describe how you would design a class for it. ---------------------------------------------------------------------------------------------- PRG 420 Week 2 Individual Assignment Netbeans Project (annual compensation) FOR MORE CLASSES VISIT www.prg420nerd.com INDIVIDUAL ASSIGNMENT OF WEEK # 2 Write a Java™ application using NetBeans™ Integrated Development Environment (IDE) that calculates the total annual compensation of a salesperson. Consider the following factors: A salesperson will earn a fixed salary of $50,000 A salesperson will also receive a commission as a sales incentive. Commission is a percentage of the salesperson’s annual sales. The current commission is 5 % of total sales.
  • 10. The total annual compensation is the fixed salary plus the commission earned. The Java™ application should meet these technical requirements: The application should have at least one class, in addition to the application’s controlling class (a controlling class is where the main function resides). There should be proper documentation in the source code. The application should ask the user to enter annual sales, and it should display the total annual compensation. ---------------------------------------------------------------------------------------------- PRG 420 Week 3 Analyzing a Program Containing Loops(New Syllabus) FOR MORE CLASSES VISIT www.prg420nerd.com Individual: Analyzing a Program Containing Loops Instructions: Resource: • PRG 420 Week Three Analyze Assignment Text File For this assignment, you will be analyzing the Java™ code in the linked PRG 420 Week Three Analyze Assignment Text File, and predicting the
  • 11. results. You will also examine both the code and the output for inconsistencies And clarity. This Java™ code includes examples of for, while, and do while Loops. Carefully read through the code line by line, then answer the following questions in a Microsoft® Word document: 1. What is the output of the program as it is written? 2. What improvement(s) could be made to this code to make the output clearer or more accurate, or to make the code easier to maintain? Note: You do not have to make the improvements in the Java™ program, although you certainly may. For this assignment, simply describe the things you see that would need to be improved to elevate the code and output to a more professional level. For the code, consider variable names and hardcoding. For the output, consider formatting/punctuation, repetition, accuracy of information, and wording. Submit your completed Word document using the Assignment Files tab. Supporting Material: PRG 420 Week Three Analyze Assignment Text File ---------------------------------------------------------------------------------------------- PRG 420 Week 3 Coding a Program Containing Loops(New Syllabus) FOR MORE CLASSES VISIT www.prg420nerd.com Individual: Coding a Program Containing Loops Instructions: Resource: • PRG 420 Week Three Coding Assignment Text File (starter code for this assignment that includes placeholders) For this assignment, you will apply what you learned in analyzing for, while, and do-while loops by writing these statements yourself. The Java™ program you write should do the following: • Display a pyramid of asterisks
  • 12. onscreen (i.e., a nested for loop) • Display the integers 10 to 1 in decreasing order, one number per line (i.e., a while/do-whlie loop) • Add 7 until the sum becomes greater than 157, at which point the program should display both the sum and the number of 7s added Complete this assignment by doing the following: 1. Download the linked PRG 420 Week Three Coding Assignment Text File. 2. Add comments to the code by typing your name and the date in the multi- line comment header. 3. Replace the following lines with Java™ code as directed in the file: • LINE 1 • LINE 2 • LINE 3 4. Comment each line of code you add to explain what you intend the code to do and why you chose each type of loop. 5. Test and modify your Java™ program until it runs without errors and produces the results as described above. Note: Refer to this PRG 420 Week's analyzing code assignment if you need help. After you complete your assignment, zip your JAVA source (.java) file and submit the ZIP file using the Assignment Files tab. Supporting Material: PRG 420 Week Three Coding Assignment Text File ---------------------------------------------------------------------------------------------- PRG 420 Week 3 DQ 1 FOR MORE CLASSES VISIT www.prg420nerd.com Please watch the first and the fifth (next to the last) videos for Week 3 (feel free to use the transcripts, too!) . Tell me about the similarities between the conditionals in if statements and the conditionals in while statements. ----------------------------------------------------------------------------------------------
  • 13. PRG 420 Week 3 DQ 2 FOR MORE CLASSES VISIT www.prg420nerd.com Convert the following program from for loop to while loop. class ArithmeticProgression { public static void main (String [] args) { int sum = 0; for (int i = 1; i <= 1000; i++) { sum = sum + i; System.out.println(Integer.toString(sum)); } } } ---------------------------------------------------------------------------------------------- PRG 420 Week 3 DQ 3 FOR MORE CLASSES VISIT www.prg420nerd.com There are 3 kinds of loops—for loop, while loop, and do while loop. Under which circumstances would each kind of loop be more appropriate? Explain your answers using specific examples. ---------------------------------------------------------------------------------------------- PRG 420 Week 3 DQ 4 FOR MORE CLASSES VISIT www.prg420nerd.com Consider the following conditions: CONDITION 1: while ( !(cChoice == 'Q' || cChoice == 'q') ) CONDITION 2: while ( cChoice != 'Q' || cChoice != 'q' ) Do Conditions 1 and 2 give the same result? What tool or technique would you use to explain the result?
  • 14. ---------------------------------------------------------------------------------------------- PRG 420 Week 3 Individual Assignment Netbeans Project (annual compensation with commission) FOR MORE CLASSES VISIT www.prg420nerd.com INDIVIDUAL ASSIGNMENT OF WEEK # 3 Modify the Week Two Java™ application using Java™ NetBeans™ IDE to meet these additional and changed business requirements: The company has recently changed its total annual compensation policy to improve sales. A salesperson will continue to earn a fixed salary of $50,000. The current sales target for every salesperson is $120,000. The sales incentive will only start when 80% of the sales target is met. The current commission is 5% of total sales.
  • 15. If a salesperson exceeds the sales target, the commission will increase based on an acceleration factor. The acceleration factor is 1.5. The application should ask the user to enter annual sales, and it should display the total annual compensation. The application should also display a table of potential total annual compensation that the salesperson could have earned, in $5000 increments above the salesperson’s annual sales, until it reaches 50% above the salesperson’s annual sales. Sample Table: Assuming a total annual sales of $100,000, the table would look like this: Total Sales Total Compensation 100,000
  • 18. <> 150,000 <> The Java™ application should also meet these technical requirements: The application should have at least one class, in addition to the application’s controlling class. The source code must demonstrate the use of conditional and looping structures. There should be proper documentation in the source code. ---------------------------------------------------------------------------------------------- PRG 420 Week 4 Analyzing a Program Containing Arrays(New Syllabus) FOR MORE CLASSES VISIT
  • 19. www.prg420nerd.com Individual: Analyzing a Program Containing Arrays Instructions: Resource: • PRG 420 Week Four Analyze Assignment Text File The ability to read through Java™ code and predict the results, given specific inputs, is an extremely useful skill. For this assignment, you will be analyzing the Java™ code in the linked PRG 420 Week Four Analyze Assignment Text File, and answering questions about the array that appears in the code. Carefully read through the code line by line, then answer the following questions in a Microsoft® Word document: 1. If an array had not been chosen to hold the data manipulated in this program, how else (i.e., with what other data types) could it have been represented? 2. Which approach, using an array or using the alternative you identified in question #1, is shorter/easier? 3. What is the output of this program? 4. What would be the result of using a println() statement to display the value of arraynum[8]? 5. How many values can arraynum contain, and why? Submit your completed Word document using the Assignment Files tab. Supporting Material: PRG 420 Week Four Analyze Assignment Text File ---------------------------------------------------------------------------------------------- PRG 420 Week 4 Coding a Program Containing an Array(New Syllabus) FOR MORE CLASSES VISIT www.prg420nerd.com Individual: Coding a Program Containing an Array Instructions: Resource: • PRG 420 Week Four Coding Assigment Text File (starter code for this assignment that includes placeholders) For this
  • 20. assignment, you will apply what you learned in analyzing a simple Java™ program by writing your own Java™ program that creates and accesses an array of integers. The Java™ program you write should do the following: • Create an array to hold 10 integers • Ask the user for an integer. Note: This code has already been written for you. • Populate the array. Note: The first element should be the integer input by the user. The second through tenth elements should each be the previous element + 100. For example, if the user inputs 10, the first array value should be 10, the second 110, the third 210, and so on. • Display the contents of the array on the screen in ascending index order. Complete this assignment by doing the following: 1. Download the linked PRG 420 Week Four Coding Assigment Text File. 2. Read each line of the file carefully, including the detailed instructions at the top. 3. Add comments to the code by typing your name and the date in the multi-line comment header. 4. Replace the following lines with Java™ code as directed in the file: • LINE 1 • LINE 2 • LINE 3 • LINE 4 • LINE 5 5. Comment each line of code you add to explain what you intend the code to do. 6. Test and modify your Java™ program until it runs without errors and produces the results as described above. Note: Refer to this PRG 420 Week's analyzing code assignment if you need help. After you complete your assignment, zip your JAVA source (.java) file and submit the ZIP file using the Assignment Files tab. Supporting Material: PRG 420 Week Four Coding Assignment Text File ---------------------------------------------------------------------------------------------- PRG 420 Week 4 DQ 1 FOR MORE CLASSES VISIT
  • 21. www.prg420nerd.com Assuming you want an array (named many) of seven ints what would be the easiest way to write the code if you wanted many to contain all zeros? What if you wanted many to contain a selection of seven values, that were not all zeros? What would be the subscripts of all the elements of many? ---------------------------------------------------------------------------------------------- PRG 420 Week 4 DQ 2 FOR MORE CLASSES VISIT www.prg420nerd.com What is the difference between arrays and ArrayList? What are the advantages and disadvantages of an ArrayList, and when should you use an ArrayList over a simple array? ---------------------------------------------------------------------------------------------- PRG 420 Week 4 DQ 3 FOR MORE CLASSES VISIT www.prg420nerd.com What is the difference between string and StringBuilder? What are the advantages and disadvantages of a StringBuilder, and when should you use a StringBuilder over a simple String? ---------------------------------------------------------------------------------------------- PRG 420 Week 4 Individual Assignment Netbeans Project (annual compensation comparison)
  • 22. FOR MORE CLASSES VISIT www.prg420nerd.com INDIVIDUAL ASSIGNMENT OF WEEK # 4 Modify the Week Three Java™ application using Java™ NetBeans™ IDE to meet these additional and changed business requirements: The application will now compare the total annual compensation of at least two salespersons. It will calculate the additional amount of sales that each salesperson must achieve to match or exceed the higher of the two earners. The application should ask for the name of each salesperson being compared. The Java™ application should also meet these technical requirements:
  • 23. The application should have at least one class, in addition to the application’s controlling class. The source code must demonstrate the use of Array or ArrayList. There should be proper documentation in the source code. ---------------------------------------------------------------------------------------------- PRG 420 Week 5 Analyzing a Program Containing Exception Handling(New Syllabus) FOR MORE CLASSES VISIT www.prg420nerd.com Individual: Analyzing a Program Containing Exception Handling Instructions: Resource: • PRG 420 Week Five Analyze Assignment Text File For this assignment, you will be analyzing the code in the linked PRG 420 Week Five Analyze Assignment Text File. This program contains exception handling code. You will be evaluating the code and using what you learned in this PRG 420 Week's readings to predict the results based on the program as written, as well as based on changing the value of a specific variable. Carefully read through the code line by line, then answer the following questions in a Microsoft® Word document: 1. What are the results of the program as written? 2. What results would the program produce if you changed the value of a from 0 to 3? Submit your completed Word document using the Assignment
  • 24. Files tab. Supporting Material: PRG 420 Week Five Analyze Assignment Text File ---------------------------------------------------------------------------------------------- PRG 420 Week 5 Coding a Program Containing Exception Handling(New Syllabus) FOR MORE CLASSES VISIT www.prg420nerd.com Individual: Coding a Program Containing Exception Handling Instructions: Resource: • PRG 420 Week Five Coding Assignment Text File (starter code for this assignment that includes placeholders) For this assignment, you will apply what you learned in analyzing a simple Java™ program by writing your own Java™ program. The Java™ program you write should do the following: • Organize the code capable of throwing an exception of type ParseException as a try block. • Include a catch block to handle a ParseException error thrown by the try block. • Include a hard-coded error that results in a ParseException to prove that the code can catch and handle this type of exception. Complete this assignment by doing the following: 1. Download the linked PRG 420 Week Five Coding Assignment Text File. 2. Add comments to the code by typing your name and the date in the multi-line comment header. 3. Replace the following lines with Java™ code as directed in the file: • LINE 1 • LINE 2 4. Replace the value assigned with one of the variables so that the program throws an exception. 5. Comment each line of code you add to explain what you intend the code to do. Be sure to include a comment for the replacement value you added in Step 4 that causes the program to
  • 25. throw an exception. 6. Test and modify your Java™ program until it runs without errors and produces the results described above. Note: Refer to this PRG 420 Week's analyzing code assignment if you need help. After you complete your assignment, zip your JAVA file and submit the ZIP file using the Assignment Files tab. SupportingMaterial: PRG 420 Week Five Coding Assignment Text File ---------------------------------------------------------------------------------------------- PRG 420 Week 5 DQ 1 FOR MORE CLASSES VISIT www.prg420nerd.com Please explain one use for a static variable in a class. Please explain how you might use one static method ( not main() ) in a class. ---------------------------------------------------------------------------------------------- PRG 420 Week 5 DQ 2 FOR MORE CLASSES VISIT www.prg420nerd.com In your opinion, what are the three biggest challenges in planning and designing a solution for a programming problem? What can you do to overcome these challenges? How would you apply these techniques to the programs in this class? ---------------------------------------------------------------------------------------------- PRG 420 Week 5 DQ 3 FOR MORE CLASSES VISIT
  • 26. www.prg420nerd.com Using an example from your work or daily life, describe an "is-a" relationship. Why is an "is-a" relationship important when designing an inheritance between classes? ---------------------------------------------------------------------------------------------- PRG 420 Week 5 Team Assignment Resuability (2 Papers) FOR MORE CLASSES VISIT www.prg420nerd.com In the real world, an entire program is rarely written from scratch. It is very likely that there are classes or methods that already exist. The key to using these existing modules successfully depends on how modularly the classes or methods are written. In this Learning Team assignment, your mission is to take a section of one team member’s Week Four program and replace a similar section of another team member’s Week Four program. Submit the following deliverables for this Learning Team assignment: A 700- to 1050-word paper describing the following: How the two programs were selected The process of identifying the classes or methods for replacement The changes needed to make the final Java™ application program work correctly The final Java™ application program ----------------------------------------------------------------------------------------------