einfache Taschenrechner mit netbeans

ich mache einen einfachen Rechner mit Net beans, aber es gibt ein problem zwischen Button und Textfeld .
ich will die Sache, wo ich auf die Taste "1" nach dem anklicken eines es soll zeigen, man aber nichts anzeigt und bitte um Hilfe, wie setup " + " - Taste zwischen Ihnen helfen, bitte.
/*
* Ändern Sie diese Vorlage, wählen Sie Tools | Vorlagen
* und öffnen Sie die Vorlage in den editor.
*/

/**
 *
 * @author Administrator
 */
public class Calculator extends javax.swing.JFrame {

    /**
     * Creates new form Calculator
     */
    public Calculator() {
        initComponents();
    }

    /**
     * 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.
     */
    @SuppressWarnings("unchecked")
    //<editor-fold defaultstate="collapsed" desc="Generated Code">                          
    private void initComponents() {

        jPanel1 = new javax.swing.JPanel();
        jButton12 = new javax.swing.JButton();
        jButton10 = new javax.swing.JButton();
        jButton11 = new javax.swing.JButton();
        jButton9 = new javax.swing.JButton();
        jButton1 = new javax.swing.JButton();
        jTextField1 = new javax.swing.JTextField();
        jButton8 = new javax.swing.JButton();
        jButton5 = new javax.swing.JButton();
        jButton4 = new javax.swing.JButton();
        jButton2 = new javax.swing.JButton();
        jButton7 = new javax.swing.JButton();
        jButton6 = new javax.swing.JButton();
        jButton13 = new javax.swing.JButton();
        jButton3 = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jPanel1.setBorder(javax.swing.BorderFactory.createTitledBorder(null, "Rajendra Calculator", javax.swing.border.TitledBorder.CENTER, javax.swing.border.TitledBorder.ABOVE_TOP));

        jButton12.setFont(new java.awt.Font("Arial Black", 0, 11)); //NOI18N
        jButton12.setText("=");

        jButton10.setFont(new java.awt.Font("Arial Black", 0, 11)); //NOI18N
        jButton10.setText("0");

        jButton11.setFont(new java.awt.Font("Arial Black", 0, 11)); //NOI18N
        jButton11.setText("+");
        jButton11.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton11ActionPerformed(evt);
            }
        });

        jButton9.setFont(new java.awt.Font("Arial Black", 0, 11)); //NOI18N
        jButton9.setText("9");

        jButton1.setFont(new java.awt.Font("Arial Black", 0, 11)); //NOI18N
        jButton1.setText("1");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        jTextField1.setHorizontalAlignment(javax.swing.JTextField.RIGHT);
        jTextField1.setText("0");
        jTextField1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jTextField1ActionPerformed(evt);
            }
        });

        jButton8.setFont(new java.awt.Font("Arial Black", 0, 11)); //NOI18N
        jButton8.setText("8");

        jButton5.setFont(new java.awt.Font("Arial Black", 0, 11)); //NOI18N
        jButton5.setText("5");

        jButton4.setFont(new java.awt.Font("Arial Black", 0, 11)); //NOI18N
        jButton4.setText("4");
        jButton4.setToolTipText("");
        jButton4.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton4ActionPerformed(evt);
            }
        });

        jButton2.setFont(new java.awt.Font("Arial Black", 0, 11)); //NOI18N
        jButton2.setText("2");
        jButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton2ActionPerformed(evt);
            }
        });

        jButton7.setFont(new java.awt.Font("Arial Black", 0, 11)); //NOI18N
        jButton7.setText("7");

        jButton6.setFont(new java.awt.Font("Arial Black", 0, 11)); //NOI18N
        jButton6.setText("6");

        jButton13.setFont(new java.awt.Font("Arial Black", 0, 11)); //NOI18N
        jButton13.setText("Clear");

        jButton3.setFont(new java.awt.Font("Arial Black", 0, 11)); //NOI18N
        jButton3.setText("3");

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                        .addGroup(jPanel1Layout.createSequentialGroup()
                            .addComponent(jButton4)
                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                            .addComponent(jButton5)
                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                            .addComponent(jButton6))
                        .addComponent(jTextField1)
                        .addGroup(jPanel1Layout.createSequentialGroup()
                            .addComponent(jButton1)
                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                            .addComponent(jButton2)
                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                            .addComponent(jButton3))
                        .addGroup(jPanel1Layout.createSequentialGroup()
                            .addComponent(jButton7)
                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                            .addComponent(jButton8)
                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                            .addComponent(jButton9)))
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                            .addComponent(jButton11, javax.swing.GroupLayout.DEFAULT_SIZE, 65, Short.MAX_VALUE)
                            .addComponent(jButton10, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                            .addComponent(jButton12, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                            .addComponent(jButton13, javax.swing.GroupLayout.DEFAULT_SIZE, 66, Short.MAX_VALUE)))))
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()
                .addContainerGap(25, Short.MAX_VALUE)
                .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 42, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(18, 18, 18)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jButton1)
                    .addComponent(jButton2)
                    .addComponent(jButton3))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jButton4)
                    .addComponent(jButton5)
                    .addComponent(jButton6))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jButton7)
                    .addComponent(jButton8)
                    .addComponent(jButton9))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jButton10)
                    .addComponent(jButton13))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jButton11)
                    .addComponent(jButton12))
                .addContainerGap())
        );

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(18, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );

        pack();
    }//</editor-fold>                        

    private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {                                         
        //TODO add your handling code here:
    }                                        

    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {                                         
 jTextField1.setText(jTextField1.getText()+"1");
    }                                        

    private void jTextField1ActionPerformed(java.awt.event.ActionEvent evt) {                                            
        //TODO add your handling code here:
    }                                           

    private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {                                         
   jTextField1.setText(jTextField1.getText()+"2"); //TODO add your handling code here:
    }                                        

    private void jButton11ActionPerformed(java.awt.event.ActionEvent evt) {                                          
    int valA = Integer.parseInt(jTextField1.getText());
int valB = Integer.parseInt(jTextField1.getText());        //TODO add your handling code here:

        int valC = valA+valB;
        jTextField1.append(Integer.toString(valC));
        jTextField1.append("\n");    //TODO add your handling code here:
    }                                         

    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        /* Set the Nimbus look and feel */
        //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
        /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
         * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 
         */
        try {
            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException ex) {
            java.util.logging.Logger.getLogger(Calculator.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(Calculator.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(Calculator.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(Calculator.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>

        /* Create and display the form */
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new Calculator().setVisible(true);
            }
        });
    }
    //Variables declaration - do not modify                     
    private javax.swing.JButton jButton1;
    private javax.swing.JButton jButton10;
    private javax.swing.JButton jButton11;
    private javax.swing.JButton jButton12;
    private javax.swing.JButton jButton13;
    private javax.swing.JButton jButton2;
    private javax.swing.JButton jButton3;
    private javax.swing.JButton jButton4;
    private javax.swing.JButton jButton5;
    private javax.swing.JButton jButton6;
    private javax.swing.JButton jButton7;
    private javax.swing.JButton jButton8;
    private javax.swing.JButton jButton9;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JTextField jTextField1;
    //End of variables declaration                   
}
  • Bitte klären Sie Ihr problem oder weitere details zu markieren, genau das, was Sie brauchen. Wie es derzeit geschrieben, es ist schwer zu sagen, genau das, was Sie gefragt haben. (kopiert von flag-dialog)
  • ich wollte nur wissen ...Wie einrichten JButton ..wo ich drücken Sie es und zeigt es "1" auf "textField"....und wie man JButton für"+", wo es sich lohnt, für die Ergänzung?? hoffen kann Sie verstehen..
InformationsquelleAutor | 2013-09-13
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