Cs 74
0 likes351 views
This document contains a practice exam for a course on Introduction to Internet Programming. The exam contains 6 sections with multiple choice and written response questions. The questions cover topics like: 1) Java programming concepts like robustness, operator precedence, converting strings to numbers, exception handling, and differences between transient and volatile keywords. 2) Applet programming including ways to execute applets and writing an applet to demonstrate the applet lifecycle. 3) Additional Java topics like using protected access, method overloading, and garbage collection. 4) Packages, loops, command line arguments, extending interfaces. 5) Threading concepts like main and child threads, built-in exceptions, and
![No. of Printed Pages : 3 CS-74
BACHELOR IN COMPUTER APPLICATIONS
N
Term-End Examination
14')
O June, 2011
CS- 74 : INTRODUCTION TO INTERNET
PROGRAMMING
Time : 3 hours Maximum Marks : 75
Note : Question No. 1 is compulsory. Attempt any Three
from the rest.
1. (a) How does Java Prog. Support robustness ? 4
(b) Write the precedence of the following 2
operators.
< > [] _ » ( )
(c) Is it possible to convert string into numbers ? 5
Explain with the help of suitable example.
(d) State whether True or False for the following 5
statements :
(i) A subclass cannot call the constructor
of it's super class.
(ii) The Array size in Java is fixed after it
is declared.
(iii) A default member function of a class
can not be accessed outside the
package in which this class is
declared.
CS-74 P.T.O.](https://image.slidesharecdn.com/cs-74-120522061353-phpapp02/85/Cs-74-1-320.jpg)
Cs 74
- 1. No. of Printed Pages : 3 CS-74 BACHELOR IN COMPUTER APPLICATIONS N Term-End Examination 14') O June, 2011 CS- 74 : INTRODUCTION TO INTERNET PROGRAMMING Time : 3 hours Maximum Marks : 75 Note : Question No. 1 is compulsory. Attempt any Three from the rest. 1. (a) How does Java Prog. Support robustness ? 4 (b) Write the precedence of the following 2 operators. < > [] _ » ( ) (c) Is it possible to convert string into numbers ? 5 Explain with the help of suitable example. (d) State whether True or False for the following 5 statements : (i) A subclass cannot call the constructor of it's super class. (ii) The Array size in Java is fixed after it is declared. (iii) A default member function of a class can not be accessed outside the package in which this class is declared. CS-74 P.T.O.
- 2. (iv) If no exception is thrown from a try block, then control passes to finally block after the closing braces of the try block. (v) A Native method is a method which is not written in Java. (e) Differentiate between transient and volatile 4 keyword in Java. (f) What are the various ways to execute an 5 Applet ? (g) Write an Applet showing the sequence of 5 method executed during the life cycle of an Applet. 2. (a) When do we use protected specifier in a 6 Java program ? Explain with example. (b) What is method overloading ? Explain. 6 (c) How Garbage Collection is performed in 3 Java ? 3. (a) What is a package ? Why do we need 5 package ? Explain. (b) Differentiate between while and do - while 5 with the help of suitable example. (c) Write a program to accept two numbers at 5 the command line and print out their product. CS-74 2
- 3. 4. (a) Can you extend interfaces in Java ? Explain 5 with example (b) What is the method to retrieve the color of 6 the text ? Write a program to retrieve the RGB values of a color. (c) What is a stream ? Differentiate between 4 stream source and stream destination. 5. (a) What will happen if main thread finishes 6 before the child thread ? How do you make sure that child thread gets terminated first ? (b) What is built - in Exceptions in Java ? 6 Explain the use of any one of them with the help of suitable Example. (c) How many Listeners are there for trapping 3 mouse movements ? Explain briefly. CS-74 3