testbutton.java

一个GUI编程的例子 一个GUI编程的例子

import javax.swing.*;
import java.awt.event.*;
import java.awt.*;

public class TestButton {
	public static void main(String args[]) {
		Frame f = new Frame("Test");
		Button b = new Button("Press Me!");
		b.addActionListener(new ButtonHandler());
		f.setLayout(new FlowLayout()); 
		f.add(b);
		f.setSize(200, 100);
		f.setVisible(true);
	}
}
class ButtonHandler implements ActionListener {
	public void actionPerformed(ActionEvent e) {
		System.out.println("Action occurred");
	}
}