jframe.java

200多个自己编的java程序,大家可以学一下.

/*
 * JFrame.java
 *
 * Created on 2004年9月27日, 下午9:48
 */

/**
 *
 * @author  litertiger
 */
public class JFrame extends javax.swing.JFrame {
    
    /** Creates new form JFrame */
    public JFrame() {
        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.
     */
    private void initComponents() {//GEN-BEGIN:initComponents
        b1 = new javax.swing.JButton();
        t1 = new javax.swing.JTextArea();

        getContentPane().setLayout(new java.awt.FlowLayout());

        addWindowListener(new java.awt.event.WindowAdapter() {
            public void windowClosing(java.awt.event.WindowEvent evt) {
                exitForm(evt);
            }
        });

        b1.setText("ok");
        getContentPane().add(b1);

        t1.setBackground(new java.awt.Color(51, 255, 255));
        t1.setColumns(40);
        t1.setLineWrap(true);
        t1.setRows(10);
        t1.addKeyListener(new java.awt.event.KeyAdapter() {
            public void keyReleased(java.awt.event.KeyEvent evt) {
                t1KeyReleased(evt);
            }
        });

        getContentPane().add(t1);

        pack();
    }//GEN-END:initComponents

    private void t1KeyReleased(java.awt.event.KeyEvent evt) {//GEN-FIRST:event_t1KeyReleased
t1.setText("the key released");        // TODO 将在此处增加您的处理代码：
    }//GEN-LAST:event_t1KeyReleased
    
    /** Exit the Application */
    private void exitForm(java.awt.event.WindowEvent evt) {//GEN-FIRST:event_exitForm
        System.exit(0);
    }//GEN-LAST:event_exitForm
    
    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        new JFrame().show();
    }
    
    // 变量声明 - 不进行修改//GEN-BEGIN:variables
    private javax.swing.JButton b1;
    private javax.swing.JTextArea t1;
    // 变量声明结束//GEN-END:variables
    
}