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POWar card game Crashes on start
 

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  1. POWar card game Crashes on start
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    <p>I'm trying to create a program that plays the card game war(I haven't gotten to the war part yet). Right now I've made a Japplet class and a Deck Class and can figure out why my program isn't working. I don't have any red lines. Right now my Deck class creates the deck and I'm trying to create a string called "card" to bring over to WarUI class to see if it is working, but when I start the applet it crashes.</p> <p><strong>Edit</strong>: Now that that is working, some cards repeat before it hits 52 cards. How would I go about making it so cards don't repeat. I've been trying to search and it seems like array list would work but I don't understand how to use that properly</p> <pre><code>public class FullDeck { String card = ""; public FullDeck() { int[]deck = new int[52]; String [] suits = {"Heart" + "Diamond" + "Spade" + "Club"}; String [] numbers = { "2" + "3" + "4" + "5" + "6" + "7" + "8" + "9" + "10" + "Jack" + "Queen" + "King" + "Ace" }; for (int i = 0; i &lt; deck.length; i++)deck[i]=i; for(int i = 0; i &lt; deck.length; i++) { int index = (int)(Math.random()*deck.length); int temp = deck[i]; deck[i] = deck[index]; deck[index]=temp; } for( int i = 0; i &lt; deck.length; i++) { String suit = suits[deck[i] / 13]; String num = numbers[deck[i] % 13]; card = "Card number " + deck[i] + ": " + num + " of " + suit; } } } } import java.applet.Applet; import java.awt.Container; import java.awt.FlowLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.*; public class WarUI extends JApplet implements ActionListener { FullDeck deck = new FullDeck(); JTextArea displayLabel = new JTextArea("Enter a letter to guess the phrase."); //sets label to display message JTextField inputBox = new JTextField(40); //sets text field JButton runButton = new JButton("Run"); //button that starts program Container con = getContentPane(); //gets container public void init() { con.setLayout(new FlowLayout());//sets flowlayout con.add(new JLabel()); //jlabel container con.add(inputBox); //input box container con.add(runButton); //run button container con.add(displayLabel); //display label container runButton.addActionListener(this);//looks to see if run is clicked inputBox.addActionListener(this);//looks to see if input box is used } public void actionPerformed(ActionEvent e) { displayLabel.setText("You Drew: " + deck.card); //displays hiddenPhrase } } </code></pre>
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    1. COFormatting your code would be a helpful start
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    2. CO`String [] suits = {"Heart" + "Diamond" + "Spade" + "Club"};` you initialise your arrays with only 1 string value. Use `,` instead of `+`.
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    3. COA debugger tells you these kind of problems
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