问题详情

下列JApplet对鼠标单击事件进行处理，当鼠标在JPanel中单击时，在JLabel中显示单击次数。请在横线处填写正确的代码【 】。 import java.awt.event.*; import javax.swing.*; import java.awt.*; public class Test extends JApplet { static int cnt; public void init() { Container cp = getContentPane(); MyPane jp = new MyPanel(); ______; jp.addMouseListener(new MouseAdapter() { public void mouseClicked(MouseEvent me) { cnt ++; jb.setText(Integer.toString(cnt)); } }); cp.add("South",jB) ; cp.add("Center",jp); } } class MuPanel extends JPanel { public MyPanel() {} public void paintComponent{Graphics g) { super.panitComponent(g); g.drawRect(0,O,getSize() .width-1,getSize() .hight-1); } }


请帮忙给出正确答案和分析，谢谢！