flowpanel.java

Java 程序设计教程（第五版）EXAMPLESchap06源码

//********************************************************************
//  FlowPanel.java       Authors: Lewis/Loftus
//
//  Represents the panel in the LayoutDemo program that demonstrates
//  the flow layout manager.
//********************************************************************

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

public class FlowPanel extends JPanel
{
   //-----------------------------------------------------------------
   //  Sets up this panel with some buttons to show how flow layout
   //  affects their position.
   //-----------------------------------------------------------------
   public FlowPanel ()
   {
      setLayout (new FlowLayout());

      setBackground (Color.green);

      JButton b1 = new JButton ("BUTTON 1");
      JButton b2 = new JButton ("BUTTON 2");
      JButton b3 = new JButton ("BUTTON 3");
      JButton b4 = new JButton ("BUTTON 4");
      JButton b5 = new JButton ("BUTTON 5");

      add (b1);
      add (b2);
      add (b3);
      add (b4);
      add (b5);
   }
}