Java/Runden

Variante mit Konsolenein- und ausgabe

Eine einfache TicTacToe-Variante für BlueJ. Ein und Ausgabe in der Konsole.

<java> import java.io.*; // wird von der Eingabe benötigt

public class Spielfeld {

   //Eigenschaften
   private Kaestchen[][] feld;
   private static BufferedReader in; // Eingabe
   
   //Konstruktor
   public Spielfeld() {
       feld = new Kaestchen[3][3];
       for (int i=0;i<3;i++){// senkrecht
           for (int j=0;j<3;j++){// waagerecht
               feld[j][i]=new Kaestchen();
           }
       }
       
       // Vorbereitung für die Eingabe
       in = new BufferedReader(new InputStreamReader(System.in));
                             
   }
   
   //Methoden
   public void setzeSpielstein(int x, int y, String stein){
       feld[x][y].setzeStein(stein);
   }
   
   public void gibSpielAus(){
       System.out.println("\n  012");
       for (int i=0;i<3;i++){
           System.out.print(i+" ");
           for (int j=0;j<3;j++){
               System.out.print(feld[j][i].getZeichen());
           }
           System.out.println(); // Zeilenumbruch nach 3 Kaestchen
       }
       
   }
   
   public void spieleEineRunde(){
       // unguenstig: Starre Anzahl von Zügen, immer 10 Züge
       int x,y;
       for (int i=1;i<5;i++){
           gibSpielAus();
           System.out.print("Spieler X bitte die x-Koordinate (0-2)");
           try {
           x=liesInt();
           }
            catch(IOException e) {
           x=-1;
           }
           System.out.print("Spieler X bitte die y-Koordinate (0-2)");
           try {
           y=liesInt();
           }
           catch(IOException e) {
           y=-1;
           }
           setzeSpielstein(x, y, "X");
           gibSpielAus();
           System.out.print("Spieler O bitte die x-Koordinate (0-2)");
           try {
           x=liesInt();
           }
            catch(IOException e) {
           x=-1;
           }
           System.out.print("Spieler O bitte die y-Koordinate (0-2)");
           try {
           y=liesInt();
           }
           catch(IOException e) {
           y=-1;
           }            
           setzeSpielstein(x, y, "O");
       }
   }
   
   // Methode für die Eingabe
   // Mehr hier: http://www.wifo.uni-mannheim.de/Java/oop/OOPinJava/kapitel11/StandardEingabe_java.html
   public int liesInt() throws IOException {
       try {
       return Integer.parseInt(in.readLine());
       }
       catch(IOException e) {
         return (-1);
       }
   }

} </java>

<java> public class Kaestchen {

   String zeichen;
   
   public Kaestchen() {
       zeichen=" "; // Am Anfang leer
   }
   
   public void setzeStein(String pZeichen) {
       if (!zeichen.equals(" ")) {System.out.println("Besetzt!");} 
       else {
           if (pZeichen.equals("X") || pZeichen.equals("O")) {zeichen=pZeichen;} 
           else System.out.println("Ungueltige Eingabe, bitte X oder O waehlen!");
       }
   }
   
   public String getZeichen(){
       return zeichen;
   }

} </java>

Variante mit GUI

Die folgende Variante wurde mit Netbeans-BlueJ erstellt. Sie soll ein Beispiel für den Umgang mit GUIs sein.

<java> /*

* TicTacGUI.java
*
* Created on 12. März 2007, 19:15
*/

/**

*
* @author  ugh
*/

public class TicTacGUI extends javax.swing.JFrame {

   private int amZug;    
   /** Creates new form TicTacGUI */
   public TicTacGUI() {
       initComponents();
       amZug=0;
       textField2.setText("0 startet das Spiel.");
       label1.setText("Tic-Tac-Toe");
       button1.setLabel("_");
       button2.setLabel("_");
       button3.setLabel("_");
       button4.setLabel("_");
       button5.setLabel("_");
       button6.setLabel("_");
       button7.setLabel("_");
       button8.setLabel("_");
       button9.setLabel("_");        
   }
   
   /** This method is called from within the constructor to
    * initialize the form.
    * WARNING: Do NOT modify this code. The content of this method is
    * always regenerated by the Form Editor.
    */
   // <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:initComponents
   private void initComponents() {
       button1 = new java.awt.Button();
       button2 = new java.awt.Button();
       button3 = new java.awt.Button();
       button4 = new java.awt.Button();
       button5 = new java.awt.Button();
       button6 = new java.awt.Button();
       button7 = new java.awt.Button();
       button8 = new java.awt.Button();
       button9 = new java.awt.Button();
       textField1 = new java.awt.TextField();
       label1 = new java.awt.Label();
       textField2 = new java.awt.TextField();

       setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
       button1.setLabel("button1");
       button1.addMouseListener(new java.awt.event.MouseAdapter() {
           public void mouseClicked(java.awt.event.MouseEvent evt) {
               button1MouseClicked(evt);
           }
       });

       button2.setLabel("button2");
       button2.addMouseListener(new java.awt.event.MouseAdapter() {
           public void mouseClicked(java.awt.event.MouseEvent evt) {
               button2MouseClicked(evt);
           }
       });

       button3.setLabel("button3");
       button3.addMouseListener(new java.awt.event.MouseAdapter() {
           public void mouseClicked(java.awt.event.MouseEvent evt) {
               button3MouseClicked(evt);
           }
       });

       button4.setLabel("button4");
       button4.addMouseListener(new java.awt.event.MouseAdapter() {
           public void mouseClicked(java.awt.event.MouseEvent evt) {
               button4MouseClicked(evt);
           }
       });

       button5.setLabel("button5");
       button5.addMouseListener(new java.awt.event.MouseAdapter() {
           public void mouseClicked(java.awt.event.MouseEvent evt) {
               button5MouseClicked(evt);
           }
       });

       button6.setLabel("button6");
       button6.addMouseListener(new java.awt.event.MouseAdapter() {
           public void mouseClicked(java.awt.event.MouseEvent evt) {
               button6MouseClicked(evt);
           }
       });

       button7.setLabel("button7");
       button7.addMouseListener(new java.awt.event.MouseAdapter() {
           public void mouseClicked(java.awt.event.MouseEvent evt) {
               button7MouseClicked(evt);
           }
       });

       button8.setLabel("button8");
       button8.addMouseListener(new java.awt.event.MouseAdapter() {
           public void mouseClicked(java.awt.event.MouseEvent evt) {
               button8MouseClicked(evt);
           }
       });

       button9.setLabel("button9");
       button9.addMouseListener(new java.awt.event.MouseAdapter() {
           public void mouseClicked(java.awt.event.MouseEvent evt) {
               button9MouseClicked(evt);
           }
       });

       textField1.setText("textField1");

       label1.setText("label1");

       textField2.setText("textField2");

       org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(getContentPane());
       getContentPane().setLayout(layout);
       layout.setHorizontalGroup(
           layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
           .add(layout.createSequentialGroup()
               .add(25, 25, 25)
               .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
                   .add(layout.createSequentialGroup()
                       .add(textField2, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 340, Short.MAX_VALUE)
                       .addContainerGap())
                   .add(layout.createSequentialGroup()
                       .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
                           .add(label1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                           .add(layout.createSequentialGroup()
                               .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING, false)
                                   .add(org.jdesktop.layout.GroupLayout.LEADING, layout.createSequentialGroup()
                                       .add(button7, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                                       .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED, 20, Short.MAX_VALUE)
                                       .add(button8, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
                                   .add(org.jdesktop.layout.GroupLayout.LEADING, layout.createSequentialGroup()
                                       .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING, false)
                                           .add(button1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                                           .add(button4, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
                                       .add(20, 20, 20)
                                       .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING, false)
                                           .add(button5, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                                           .add(button2, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))))
                               .add(29, 29, 29)
                               .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
                                   .add(button6, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                                   .add(button9, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                                   .add(button3, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
                               .add(55, 55, 55))
                           .add(textField1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 275, Short.MAX_VALUE))
                       .add(75, 75, 75))))
       );

       layout.linkSize(new java.awt.Component[] {button1, button2, button3, button4, button5, button6, button7, button8, button9}, org.jdesktop.layout.GroupLayout.HORIZONTAL);

       layout.setVerticalGroup(
           layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
           .add(org.jdesktop.layout.GroupLayout.TRAILING, layout.createSequentialGroup()
               .addContainerGap()
               .add(label1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
               .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
               .add(textField2, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
               .add(23, 23, 23)
               .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING)
                   .add(button2, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                   .add(button1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                   .add(button3, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
               .add(10, 10, 10)
               .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
                   .add(layout.createSequentialGroup()
                       .add(button6, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                       .add(0, 0, 0))
                   .add(button5, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                   .add(org.jdesktop.layout.GroupLayout.TRAILING, button4, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
               .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
               .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
                   .add(org.jdesktop.layout.GroupLayout.TRAILING, layout.createSequentialGroup()
                       .add(button7, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                       .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED))
                   .add(org.jdesktop.layout.GroupLayout.TRAILING, layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING, false)
                       .add(button9, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                       .add(button8, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)))
               .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
               .add(textField1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
               .addContainerGap())
       );

       layout.linkSize(new java.awt.Component[] {button1, button2, button3, button4, button5, button6, button7, button8, button9}, org.jdesktop.layout.GroupLayout.VERTICAL);

       pack();
   }// </editor-fold>//GEN-END:initComponents

   private void button9MouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_button9MouseClicked
       if (button9.getLabel()=="_") {
           if (amZug==0) button9.setLabel("0");
           else button9.setLabel("X");
           werteAus(2,2);
       }
       else {
           textField1.setText("Hier ist schon ein Stein!");
       }
   }//GEN-LAST:event_button9MouseClicked

   private void button8MouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_button8MouseClicked
       if (button8.getLabel()=="_") {
           if (amZug==0) button8.setLabel("0");
           else button8.setLabel("X");
           werteAus(1,2);
       }
       else {
           textField1.setText("Hier ist schon ein Stein!");
       }
   }//GEN-LAST:event_button8MouseClicked

   private void button7MouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_button7MouseClicked
       if (button7.getLabel()=="_") {
           if (amZug==0) button7.setLabel("0");
           else button7.setLabel("X");
           werteAus(0,2);
       }
       else {
           textField1.setText("Hier ist schon ein Stein!");
       }
   }//GEN-LAST:event_button7MouseClicked

   private void button6MouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_button6MouseClicked
       if (button6.getLabel()=="_") {
           if (amZug==0) button6.setLabel("0");
           else button6.setLabel("X");
           werteAus(2,1);
       }
       else {
           textField1.setText("Hier ist schon ein Stein!");
       }
   }//GEN-LAST:event_button6MouseClicked

   private void button5MouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_button5MouseClicked
       if (button5.getLabel()=="_") {
           if (amZug==0) button5.setLabel("0");
           else button5.setLabel("X");
           werteAus(1,1);
       }
       else {
           textField1.setText("Hier ist schon ein Stein!");
       }
   }//GEN-LAST:event_button5MouseClicked

   private void button4MouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_button4MouseClicked
       if (button4.getLabel()=="_") {
           if (amZug==0) button4.setLabel("0");
           else button4.setLabel("X");
           werteAus(0,1);
       }
       else {
           textField1.setText("Hier ist schon ein Stein!");
       }
   }//GEN-LAST:event_button4MouseClicked

   private void button3MouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_button3MouseClicked
       if (button3.getLabel()=="_") {
           if (amZug==0) button3.setLabel("0");
           else button3.setLabel("X");
           werteAus(2,0);
       }
       else {
           textField1.setText("Hier ist schon ein Stein!");
       }
   }//GEN-LAST:event_button3MouseClicked

   private void button2MouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_button2MouseClicked
       if (button2.getLabel()=="_") {
           if (amZug==0) button2.setLabel("0");
           else button2.setLabel("X");
           werteAus(1,0);
       }
       else {
           textField1.setText("Hier ist schon ein Stein!");
       }
   }//GEN-LAST:event_button2MouseClicked

   private void button1MouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_button1MouseClicked
       if (button1.getLabel()=="_") {
           if (amZug==0) button1.setLabel("0");
           else button1.setLabel("X");
           werteAus(0,0);
       }
       else {
           textField1.setText("Hier ist schon ein Stein!");
       }
   }//GEN-LAST:event_button1MouseClicked

   private void werteAus(int pX, int pY){
       if (amZug==0) {
           amZug=1;
           textField2.setText("X setzt nun.");
       }
       else {
           amZug=0;
           textField2.setText("O ist dran.");   
       }
   }
   
   
   /**
    * @param args the command line arguments
    */
   public static void main(String args[]) {
       java.awt.EventQueue.invokeLater(new Runnable() {
           public void run() {
               new TicTacGUI().setVisible(true);
           }
       });
   }
   
   // Variables declaration - do not modify//GEN-BEGIN:variables
   private java.awt.Button button1;
   private java.awt.Button button2;
   private java.awt.Button button3;
   private java.awt.Button button4;
   private java.awt.Button button5;
   private java.awt.Button button6;
   private java.awt.Button button7;
   private java.awt.Button button8;
   private java.awt.Button button9;
   private java.awt.Label label1;
   private java.awt.TextField textField1;
   private java.awt.TextField textField2;
   // End of variables declaration//GEN-END:variables
   

} </java>