Java GUI >> Setting Background Color

gistfile1.java

import java.awt.BorderLayout;
import java.awt.Color;

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

public class MyGUI extends JFrame {
        
	JPanel jp1,jp2,jp3;
	
	public MyGUI(){
		
		setTitle("Background Color Example");
		setSize(300,300);
		setVisible(true);
		setDefaultCloseOperation(EXIT_ON_CLOSE);
		
		jp1 = new JPanel();
		jp2 = new JPanel();
		jp3 = new JPanel();
		
		jp1.setBackground(Color.BLUE);
		add(jp1);
		
		jp2.setBackground(Color.RED);
		add(jp2, BorderLayout.WEST);
		
		jp3.setBackground(Color.GREEN);
		add(jp3, BorderLayout.EAST);
	}
	
	public static void main(String [] args) {
		new MyGUI();
	}
}