ช่วยทำให้มันแสดงออกมาทั้งหมดหน่อยครับ วนลูบแล้วไม่เหนแสดงเลยครับ ช่วยหน่อยนะครับ

public class SodKoon extends javax.swing.JFrame {

    public SodKoon() {
        initComponents();
    }

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

        jTextField1 = new javax.swing.JTextField();
        jTextField2 = new javax.swing.JTextField();
        input = new javax.swing.JTextField();
        cal = new javax.swing.JButton();
        ans = new javax.swing.JTextField();

        jTextField1.setText("jTextField1");

        jTextField2.setText("jTextField2");

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        input.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                inputActionPerformed(evt);
            }
        });

        cal.setText("CALCULATE");
        cal.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                calActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(47, 47, 47)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                    .addComponent(cal, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addComponent(input, javax.swing.GroupLayout.PREFERRED_SIZE, 89, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 63, Short.MAX_VALUE)
                .addComponent(ans, javax.swing.GroupLayout.PREFERRED_SIZE, 158, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(43, 43, 43))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(52, 52, 52)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(input, javax.swing.GroupLayout.PREFERRED_SIZE, 29, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(18, 18, 18)
                        .addComponent(cal))
                    .addComponent(ans, javax.swing.GroupLayout.PREFERRED_SIZE, 229, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addContainerGap(52, Short.MAX_VALUE))
        );

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

    private void inputActionPerformed(java.awt.event.ActionEvent evt) {
         
     
    }

    private void calActionPerformed(java.awt.event.ActionEvent evt) {
        String output1 = input.getText();
        String output2 = "";
        int a = Integer.parseInt(output1);
        String out="";
        for (int i = 1; i <= 12; i++) {
          ans.setText(a + " x " + i + " = " + a * i);
        }
        
    }

   
    public static void main(String args[]) {
   
        //<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(SodKoon.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(SodKoon.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(SodKoon.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(SodKoon.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>

      
        java.awt.EventQueue.invokeLater(new Runnable() {

            public void run() {
                new SodKoon().setVisible(true);
            }
        });
    }
    // Variables declaration - do not modify
    private javax.swing.JTextField ans;
    private javax.swing.JButton cal;
    private javax.swing.JTextField input;
    private javax.swing.JTextField jTextField1;
    private javax.swing.JTextField jTextField2;
    // End of variables declaration
}