monitor2.java

来自「由浅入深的介绍JAVAse的基本编程思想」· Java 代码 · 共 9 行

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class Monitor2 implements ActionListener {
	public void actionPerformed(ActionEvent e) {
		System.out.println(e.getActionCommand());    
	}
}