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

class Program extends JFrame {
	JPanel panel1;
	JPanel panel2;
	Program() {
		panel1 = new JPanel();
		panel2 = new JPanel();
		
		panel1.setSize(200, 200);
		panel1.setLocation(50, 50);
		panel1.setBackground(Color.blue);
		
		panel2.setSize(200, 200);
		panel2.setLocation(50, 280);
		panel2.setBackground(Color.red);
		
		this.setLayout(null);
		this.add(panel1);
		this.add(panel2);
		this.setSize(800, 600);
		this.setLocationRelativeTo(null);
		this.setVisible(true);
	}
	
	public static void main(String args[]) {
		new Program();
	}
}