j_flowboxlayout.java.bak

一个十分好的java基础学习的课件

// ////////////////////////////////////////////////////////
// 
// J_FlowBoxLayout.java
// 
// Created by Jun-Hai Yong,    on XX xx, xxxx (Date)
// ////////////////////////////////////////////////////////
// Readme:
//      Example of nesting multiple layouts.
// ////////////////////////////////////////////////////////
// Using this example, please explicitly refer to the book:
//     Jun-Hai Yong. Programming in Java. 
//     Beijing: Tsinghua University Press, 2004.
// 使用本例子，请注明引用:
//     雍俊海. Java 程序设计. 北京: 清华大学出版社, 2004.
// Please note that the author and publisher make no 
// warranty of any kind on the examples provided.
// ////////////////////////////////////////////////////////

import java.awt.*;
import javax.swing.*;

public class J_FlowBoxLayout
{
    public static void main( String args[] )
    { 
        JFrame app = new JFrame("Multiple Layouts");

        Container cp = app.getContentPane( );
        cp.setLayout(new FlowLayout( ));
        JPanel []  p= new JPanel[3];
        for (int i= 0; i< 3; i++)
        {
            p[i]= new JPanel( );
            p[i].setLayout(new BoxLayout(p[i], BoxLayout.X_AXIS));
            cp.add( p[i] );
        }
        JButton [] b= new JButton[6];
        for (int i= 0; i< 6; i++)
        {
            String s= "Button " + (i+1);
            b[i]= new JButton(s);
            int j= (i==0 ? 0 : (i/3)+1);
            p[j].add( b[i] );
        } // End of loop: for

        app.setSize( 260, 140 );
        app.setVisible( true );
        app.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE );
    } // End of method: main

} // End of class: J_FlowBoxLayout