赐教老师 WindowAdapter抽象类中定义的需要被override的方法是public void windowClosing(WindowEvent e)首字母小写如果在Eclipse中编写 有override标记提醒 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 改好了,这个写关闭的时候最好用匿名类。import java.awt.*;import java.awt.event.*;public class FramTest { public static void main(String[] args) { Frame f = new Frame(); f.setSize(600, 400); f.setLocation(100, 100); // f.setLayout(new BorderLayout(10,10)); // f.setLayout(new FlowLayout(FlowLayout.LEFT)); f.setLayout(new GridLayout(3, 2, 10, 10)); f.setBackground(Color.blue); Button btn1 = new Button("N"); Button btn2 = new Button("w"); Button btn3 = new Button("d"); Button btn4 = new Button("s"); Button btn5 = new Button("b"); f.add(btn1, "North"); f.add(btn2, "South"); f.add(btn3, "East"); f.add(btn4, "West"); f.add(btn5, "Center"); f.addWindowListener(new HisWindowListener()); /* * f.addWindowListener(new WindowAdapter(){ public void * WindowClosing(WindowEvent e){ System.exit(0); } }); */ f.addWindowListener(new WindowAdapter() { @Override public void windowClosing(WindowEvent e) { System.exit(0); } }); f.show(); }}class HisWindowListener extends WindowAdapter { public void WindowClosing(WindowEvent e) { System.exit(0); }} oracle sql 这个算不算依赖关系 大家好,我想问一下jsp中关于session对象的问题 抽象描述 double类型的计算 高字节位优先/低字节位优先 问题? 如何屏蔽掉一个类的paint()或panitComponent()方法?急 如何去掉Applet中的"Java Applet Window" 求高手点拨一个Socket通信软件的问题解决方案. java addrow(()高分! 使用JDBC, 插入多个数据时出现错误:“不能再打开其他表了” 错得莫名其妙,晕,望指教! java与五笔输入法
import java.awt.event.*;public class FramTest { public static void main(String[] args) { Frame f = new Frame();
f.setSize(600, 400);
f.setLocation(100, 100);
// f.setLayout(new BorderLayout(10,10));
// f.setLayout(new FlowLayout(FlowLayout.LEFT));
f.setLayout(new GridLayout(3, 2, 10, 10));
f.setBackground(Color.blue);
Button btn1 = new Button("N");
Button btn2 = new Button("w");
Button btn3 = new Button("d");
Button btn4 = new Button("s");
Button btn5 = new Button("b");
f.add(btn1, "North");
f.add(btn2, "South");
f.add(btn3, "East");
f.add(btn4, "West");
f.add(btn5, "Center"); f.addWindowListener(new HisWindowListener());
/*
* f.addWindowListener(new WindowAdapter(){ public void
* WindowClosing(WindowEvent e){ System.exit(0); } });
*/ f.addWindowListener(new WindowAdapter() { @Override
public void windowClosing(WindowEvent e) {
System.exit(0);
} }); f.show(); }}class HisWindowListener extends WindowAdapter {
public void WindowClosing(WindowEvent e) {
System.exit(0);
}
}