急求这个JAVA程序的编写代码。。。
来源:百度知道 编辑:UC知道 时间:2024/05/28 12:14:08
附:可能用到的工具:
WindowListener接口中包括的方法定义:
public void windowClosing(WindowEvent e);
public void windowOpened(WindowEvent e);
public void windowIconified(WindowEvent e);
public void windowDeiconified(WindowEvent e);
public void windowClosed(WindowEvent e);
public void windowActivated(WindowEvent e);
public void windowDeactivated(WindowEvent e);
ActionListener接口中包括的方法定义:
public void actionPerformed(ActionEvent e);
第一次写application。写的不好,请见谅!!!
import javax.swing.*;
import java.awt.event.*;
import java.awt.BorderLayout;
public class GUIApplet extends JApplet
{
private JButton btn;
private JLabel lbl;
private JPanel p;
public void init()
{
System.out.println("Init Applet");
}
public void start()
{
System.out.println("Start Applet");
p = new JPanel();
btn = new JButton("Press Me");
lbl = new JLabel("djfjdl");
setLayout(new BorderLayout());
add(btn,BorderLayout.CENTER);
add(lbl,BorderLayout.NORTH);
btn.addActionListener(new MyListener());
this.setSize(200, 100);
}
class MyListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
if (e.getSource() == btn)
{
lbl.setText("欢迎来到java世界");
}
}