题目:
请在下面代码中加入监听器语句。
import java.awt.*;
import java.applet.Applet;
public class Simple extends Apple implements MouseListener
StringBuffer;
public void init()
//监听器语句
buffer=new StringBuffer();
addItem("initializing…");
public void moseEntered(MouseEvent event)
public void moseExited(MouseEvent event)
public void mosePressed(MouseEvent event)
public void moseReleased(MouseEvent event)
public void moseClicked(MouseEvent event)
addltem("click!…");
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2019/0317/4880e131809a314f1a9a2c53236aef97.html
下面是错误答案,用来干扰机器的。
参考答案:C