Main.java

package interfaces;

public class Main {

	public static void main(String[] args) {
		MiJFrame miJFrame = new MiJFrame();
	}
}

MiJFrame.java

package interfaces;

import java.awt.BorderLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;

public class MiJFrame extends JFrame{

	private static final long serialVersionUID = 1L;
	
	MiJFrame(){
		setTitle("Layout in action: BorderLayout");      
	      setSize(300,300);
	      setVisible(true);
	      setLayout(new BorderLayout());
	      // Creamos un contenedor de elementos
	      JPanel jpanelTop = new JPanel();
	      JPanel jpanelSouth = new JPanel();
	      JPanel jpanelWest = new JPanel();
	      JPanel jpanelEast = new JPanel();
	      JPanel jpanelCenter = new JPanel();
	      // Creo los elementos que vamos a añadir
	      JButton btn1 = new JButton("Btn 1");
	      JButton btn2 = new JButton("Btn 2");
	      JButton btn3 = new JButton("Btn 3");
	      JButton btn4 = new JButton("Btn 4");
	      JButton btn5 = new JButton("Btn 5");
	      //Añado los elementos a los contenedores
	      jpanelTop.add(btn1);
	      jpanelEast.add(btn2);
	      jpanelCenter.add(btn3);
	      jpanelWest.add(btn4);
	      jpanelSouth.add(btn5);
	      //Posiciono los elementos en el JFrame
	      add(jpanelTop, BorderLayout.NORTH);
	      add(jpanelEast, BorderLayout.EAST);
	      add(jpanelCenter, BorderLayout.CENTER);
	      add(jpanelWest, BorderLayout.WEST);
	      add(jpanelSouth, BorderLayout.SOUTH);
	 }
}