componentevent2.java

这是一个java程序

/******************************************
*         class ComponentEvent2(version 1.1)
*******************************************/
import java.awt.*;
import java.awt.event.*;

public class ComponentEvent2
{
	public static void main(String args[])
	{
		Frame fr = new Frame("Component Event Test 1.1");
		
		ButtonListener bl = new ButtonListener();

		Button b1 = new Button("Test");
		Button b2 = new Button("Exit");

		b1.addActionListener(bl);
		b2.addActionListener(bl);

		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()=="Test")
		{
			System.out.println("Button Test pressed.");
		}
		else
		{
			System.exit(0);
		}
	}
}