package swingExamples;

import java.awt.Color;
import java.awt.Container;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;

class FlowButtons1Panel extends JPanel
{
  public FlowButtons1Panel()
  {
    setBackground(Color.lightGray);
    add(m_yellow);
    add(m_blue);
    add(m_red);
  }
  
  ////////////// Data //////////////////
  private JButton m_yellow = new JButton("Yellow");
  private JButton m_blue = new JButton("Blue");
  private JButton m_red = new JButton("Red");
}

class FlowButtons1Frame extends JFrame
{
  public FlowButtons1Frame()
  {
    setTitle("FlowButtons");
    setSize(300, 200);
    setDefaultCloseOperation(EXIT_ON_CLOSE);
    Container contentPane = getContentPane();
    contentPane.add( new FlowButtons1Panel() );
  }
}

public class FlowButtons1
{
  public static void main(String[] args)
  {
    FlowButtons1Frame frame = new FlowButtons1Frame();
    frame.setVisible(true);
  }
}