eventtest.java

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import java.awt.*;
import java.awt.event.*;
public class EventTest
{
	public static void main(String args[])
	{
		Frame fr = new Frame("事件测试");
		ButtonListener aa = new ButtonListener();
       		Button b1 = new Button("测试");
		Button b2 = new Button("退出");
       		b1.addActionListener(aa);
		b2.addActionListener(aa);
       		fr.setLayout( new FlowLayout() );
		fr.add(b1);
		fr.add(b2);
       		fr.resize(200,200);
		fr.show();
	}
}
class ButtonListener implements ActionListener
{
	public void actionPerformed(ActionEvent e)
{
		if( e.getActionCommand()=="测试")
{
			System.out.println("按下按钮");
		}
		else
		{
			System.exit(0);
		}
	}
}