?? ch10ex3.java
字號:
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
class Frame2 extends JFrame{
Container cp;
public Frame2(){
super();
setTitle("Layout Demo");
cp=getContentPane();
cp.setLayout(new BorderLayout());
JLabel myLabel1=new JLabel("North");
JLabel myLabel2=new JLabel("South");
JLabel myLabel3=new JLabel("East");
JLabel myLabel4=new JLabel("West");
JLabel myLabel5=new JLabel("Center");
cp.add(myLabel1,"North");
cp.add(myLabel2,"South");
cp.add(myLabel3,"East");
cp.add(myLabel4,"West");
cp.add(myLabel5,"Center");
setSize(200,200);
setLocation(50,50);
addWindowListener(new WindowDestroyer());
}
}
public class ch10ex3{
public static void main(String args[]){
Frame2 win=new Frame2();
win.setVisible(true);
}
}
class WindowDestroyer extends WindowAdapter{
public void windowClosing(WindowEvent e){
System.exit(0);
}
}
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -