Cs hangman

CS3 Project - HANGMAN
Objective:

r Create a Hangman console game
o Create a console application that allows the user to add/delete words to be used in the game

Deadline:

r Second week of January 2011 (first meeting of the week)

Other details:

o Lab pairings will be in effect.
o I will give you the entire 1" week of January to do this but you might want to start during the
brea k
o There will be 2 modules so you can work independently at the start then combine the modules
at the end or work on both modules together.
o The emphasis will be handling inputs through console and external file a-s well as proper error
handling.
o For any questions, email me at: paolo.santos@pshs.edu.ph or paolo.niccolo.santos@gmail.com

lnstructions:

1. Create a menu that displays:

1. Manage Word Library
2. Play Hdngman
J. tlx] f,

>l
2. When L is selected, the user is directed to module 1 (See next page).
3. When 2 is selected, the user is directed to module 2 (See page 3).
4. Selecting 3 ends the program.

Module 1: Creating the Word Library (File Reading/Writing Module)

L. Start by manually creating a text file containing the default list of words (each word
separated by a new line). Name it wordlist.txt. The file should look like this:

Merry
Christmas
Rudolph the red nosed reindeer

2. At the start of the module, load all the words into an array of Strings
3. Then, display the following menu:

1. Display word library
2. Add a word
3. Delete a word
4. Save current list
5. Exit
4. When f. is selected, print the entire array of words.
5. When 2 is selected, prompt the user for a word then add it to the array.
6. When 3 is selected, print the entire array of words in this manner:

I. Merry
2. Christmas
3. Rudolph the red nosed reindeer

Then prompt the user for a NIJMBER. Delete the word that corresponds to that number
(example if the user enters 1, delete Merry from the array).

7. When 4 is selected, save the words contained in the array to wordlist.txt
8. When 5 is selected, return the user to the previous menu.

Module 2: Creating the game (Console Inputs Module)

1. You will need the file HangmanWord.java (located at the end of this document) for this
module.
2. Start with an arrav of words and use the random class to generate a random number to
randomly pick a word from the list.
3. Once a word is selected, you now need to transform it into a HangmanWord
a. To create a HangmanWord, simply input the String into the constructor:
new HangmanWord(<String value>);
b. How to use a HangmanWord Object:
i. When the object is created, it automatically geneterates a String that
contains the blanks of the word. Meaning if you entered new
HangmanWord("hello"), it generates " ".
----
ii. To output the String of blanks, use the outputBlanksfl function.
iii. You can use the use the guess(char letter)or guess(String letter)function to
guess a letter that is contained in the word. lt outputs true if the letter is
contained in the word, false otherwise. lt is CASE SENSITIVE. lf the letter is
. contained in the word, the blank is replaced by the letter.
iv. Calling the isGuessed0 function returns true if the word is successfully
guessed, and false otherwise.
4. OnCe yOu've made your hangman wOrd, set hOw many "lives" your user has tO guess the
word.
5. Output the blanks

(example the word is snowman)

6. Prompt the user for an input (either String or char)
>s
7. Use the guessfl function of the HangmanWord o.bject
a. lf it returns true, output the blanks

b. lf it returns false, subtract a "life" from the user then output the blanks
c. lf the word is fully guessed (no more blanks)go back to 1.
d. lf the user is out of lives, output the word then go back to the main menu.
' e, lf the user is not out of lives and the word still contains blanks, go back to 5.

public cfass Hanqmanword {
private String inword;
nriv,atc Strino outword;
nri vafe i nt I etters I eft;

nrrl.rlin llanam:nfaTnrd/af Vvgl4rrY
rina r^rnrrl t

inword : word;
outword : "";
Ietters feft : 0;
for(int i:0; i < word.IengthO; i++;1
1f((word.charAt(i):: ' ') I | (word.charAt(i):= '. ', I I

(word.charAt(i):: ', ') | I (word.charAt(i):: 'e'1 | t

(word.charAt(i)::'l') | I (word.charAt(i):: "") | l

(word.charAt (i)::'" )){
outword : outv/ord + word.charAt(i) ;
) else {
outword : outword ;
Ietters_left++;
)

]
)

public boofean giress (char letLer) {

boofean hasletter : false;
for(int i = 0; i < inword.lengtho; i++11
if ( (lnword. charAt (i) := letter) && (outword. charAt (i) :: '_') )i
outhrord: outword.substring(0,i) + fetter +
outword. substri-ng ( i+1, outword. lenqth ( ) ) ;
L--T * +vr,^.
IIOJ!V ^tt^, LgI
L
letters_left--;

]

. return has{.etter;
t
t

pub-Iic boo}ean guess (St ring letter ) {
if(letter.lengthO != 1) t
SysLem.out.println ("lnvalid guess. ") ;
return false;
]

boolean hasLetter : false;
for(int i:0; i < inword.lengthO; i++11
if ( (Ietter.equals (inword.substring(i, i+1) ) ) &&
("_".equals (outword. substring (i,i+t1 ; I 1 1

outword : outword. substring (0, i) + fetter +
outword. substring (i+1, outword. length ( ) ) ;
hasLetter : true;
fetters_left--;

/

-

return hasLetter;
)

public void seLWorl (String word) {

inword : word;
outword : "";
letters_left : O;
for(int i = 0; i < word.lengthO; i++11
if((word.charAt(i):= ' ') ll (word.charAt-(i)::'.') ll
(word.charAt(i):= ', ', I I (word.charAt(i):: '?') i
i

(word.charAt(i):= ttt; ll (word.charAt(i):: "'t, 1l
(word'charAt (i)::' " ) ) {
outword: outword + word.charAt(i) ;
l else 1

outword : outword + "_" ;
f ette rs_le ft ++;
l
I
)

n'ht in qts,,n^ ^rll-^ufBlanks() {

String out : tr tt -

for(int i:0; i < outworcl.lengthO; i++;1
our : our + outword. charAt (i) + rr II'
)

return out. trin ( ) ;
)

public boolean isGuessedO {
return (letters left- :: 0);
l

5

Cs hangman

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