buttontest2.java

来自「awt图形界面的生成」· Java 代码 · 共 20 行

import java.awt.*;
import java.awt.event.*;
import java.applet.Applet;

public class ButtonTest2 extends Applet {
	public void init() {
		Button    button = new Button("Press Me");
		button.addMouseListener(new ButtonMouseListener());
		add(button);
	}
}
class ButtonMouseListener extends MouseAdapter {
	public void mouseEntered(MouseEvent event) { 
		System.out.println("Mouse Entered Button");
	}
	public void mouseExited(MouseEvent event) { 
		System.out.println("Mouse Exited Button");
	}
}