试题出自试卷《04747《Java语言程序设计（一）》真题及参考答案（2021.04）》

类Test33显示一个窗口，响应鼠标事件。 当鼠标逬入到窗口中时，在窗口最下面一 行，显示鼠标的当前坐标，如题33图所示。 

要求：编写代码，实现鼠标事件处理程序
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Test33 implements
MouseMotionListener{
private JFrame frame;
private JLabel tf;
public static void main(Slring[] args)
{ Test33 two = new Test33();
two.go()；
}
public void go()
{ frame = new JFrame("Mouse Control ");
Container contentPane = frame.getContentPaneO;
contentPane,add(new JLabel (" get mouse event"), BorderLayout.NORTH);
tf = new JLabelO;
contentPane. add(f, BorderLayout.SOUTH);
frame. addMouseMotionListener(this);
frame.setSize(300, 300);
frame.setVisible(true);
}