Java programming part 62 GUI : Panels Within BorderLayout; Layout being changed. смотреть онлайн

Java Programming tutorial, GUI, Graphical User Interface. this tutorial is teaching Panels having different Layout managers from withing the border layout east west north south center ect. and how to do this.

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.*;
public class UserFrame extends JFrame implements ActionListener{
static String name = "charles";
UserFrame(){
setTitle("UsersFrame");
setSize(600,550);

}


public static void main(String[] args){

UserFrame f = new UserFrame();
JPanel pan1 = new JPanel();
pan1.setLayout(new BorderLayout());
pan1.setBackground(Color.GREEN);
JPanel pan2 = new JPanel();
pan2.setBackground(Color.ORANGE);
JPanel pan3 = new JPanel();
pan3.setBackground(Color.RED);
JPanel pan4 = new JPanel();
pan4.setBackground(Color.magenta);
JPanel pan5 = new JPanel();
pan5.setBackground(Color.BLUE);
JButton jb = new JButton("Hello");
JButton jb6 = new JButton("WEST added");
JButton jb7 = new JButton("EAST added");
jb.setSize(50, 50);
pan1.add(jb,BorderLayout.NORTH);
pan1.add(jb6,BorderLayout.SOUTH);
JButton jb2 = new JButton("there");
jb.setSize(50, 50);
pan2.add(jb2);
pan2.add(jb7);
JButton jb3 = new JButton("North");
jb.setSize(50, 50);
pan3.add(jb3);
JButton jb4 = new JButton("South");
jb.setSize(50, 50);
pan4.add(jb4);
JButton jb5 = new JButton("Center");
jb.setSize(50, 50);
pan5.add(jb5);
f.add(pan1,BorderLayout.WEST);
f.add(pan2,BorderLayout.EAST);
f.add(pan3,BorderLayout.NORTH);
f.add(pan4,BorderLayout.SOUTH);
f.add(pan5,BorderLayout.CENTER);
f.setDefaultCloseOperation(EXIT_ON_CLOSE);
f.setVisible(true);
}


@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
System.out.println("The first button has been clickled");
}


}