test.java

来自「《Java2图形设计卷II：Swing》配套光盘源码」· Java 代码 · 共 37 行

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

public class Test implements ActionListener {
	private int seconds=1;

	public Test() {
		Timer oneSecondTimer = new Timer(1000, this);

		oneSecondTimer.addActionListener(new SecondListener());
		oneSecondTimer.addActionListener(new ThirdListener());
		oneSecondTimer.start();
	}
	public void actionPerformed(ActionEvent e) {
		if(seconds == 0)
			System.out.println("Time:  " + seconds + " second");
		else
			System.out.println("Time:  " + seconds + " seconds");
		seconds++;
	}
	public static void main(String args[]) {
		new Test();
		while(true);
	}
}
class SecondListener implements ActionListener { 
	public void actionPerformed(ActionEvent e) {
		System.out.println("Second Listener");
	}
}
class ThirdListener implements ActionListener { 
	public void actionPerformed(ActionEvent e) {
		System.out.println("Third Listener");
	}
}