testanonymous.java~13~

来自「提供了常用的JAVA技术的示例」· JAVA~13~ 代码 · 共 43 行

// 12-12
package TestAnonymous;

import java.awt.*;
import java.awt.event.*;

public class TestAnonymous  {
    private Frame f=new Frame("用匿名类改造例 12-11");
    private Button b=new Button("button");
    private TextArea ta=new TextArea();

    public TestAnonymous() {
        f.setLayout(new BorderLayout());
        f.addWindowListener(new WindowAdapter(){
          public void windowClosing(WindowEvent e){System.exit(0);}
          });
        b.addActionListener(new ActionListener(){
          public void actionPerformed(ActionEvent e){
            String s=e.getActionCommand();
            ta.setText(s);
          }
          });
        b.setActionCommand("button was pressed");
        f.add(b,"North");
        f.add(ta,"Center");
        f.setSize(250,250);
        f.setVisible(true);


    }
    /*public void windowClosing(WindowEvent e) {System.exit(1);}
    public void windowActivated(WindowEvent e){}
    public void windowClosed(WindowEvent e){}
    public void windowDeactivated(WindowEvent e){}
    public void windowDeiconified(WindowEvent e){}
    public void windowIconified(WindowEvent e){}
    public void windowOpened(WindowEvent e){}
*/

    public static void main(String[] args) {
      TestAnonymous testAnonymous1 = new TestAnonymous();
    }
}