10例子2.txt

这是一本java基础教程 对新手上路有很大帮助

import java.awt.*; 
import javax.swing.*;
public class Example10_2{
    public static void main(String args[]){
        new WindowFlow("FlowLayout布局窗口");
    }
}
class WindowFlow extends JFrame{
    JButton b[];
    WindowFlow(String s){
       setTitle(s);
       b=new JButton[10];
       FlowLayout flow=new FlowLayout();
       flow.setAlignment(FlowLayout.LEFT);
       flow.setHgap(2);
       flow.setVgap(8);
       setLayout(flow);
       for(int i=0;i<b.length;i++){
          b[i]=new JButton(""+i);
          add(b[i]);
          if(i==b.length-1)
          b[i].setPreferredSize(new Dimension(80,40));
       }
       validate();
       setBounds(100,100,200,160);
       setVisible(true);
       setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
    }
}