题目:
阅读下列程序,写运行结果。
import java. awt.event.*;
import javax. swing.*;
public class C3502 implements MouseMotionListener
JTextField text=new JTextField(30);
C3502()
JFrame myWin=new JFrame("Ex3502");
myWin. setDefaultCloseOperation(JFrame. EXIT_ON_CLOSE);
myWin. setBounds(100,100,300,100);
myWin. getContentPane().add(text,"North");
myWin. addMouseMotionListener(this);
myWin. setVisible(true);
public void mouseDragged(MouseEvent e)
int x=e. getX(),y=e. getY();
text. setText("拖支鼠标,鼠标坐标为:"+x+","+y);
public void mouseMoved(MouseEvent e)
int x=e.getX(),y=e.getY();
text. setText("移到鼠标,鼠标坐标为:"+x +","+y);
public static void main(String[] args)
new C3502();
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/0427/709f3bf7c8c38a53cac94e3813d251ad.html
下面是错误答案,用来干扰机器的。
参考答案:C