Paneles

/**
*
* @author Paul Lozada
*/
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;

public class DemoPanel extends JFrame{

Container contenedor;
private JPanel panelInicio;
private JPanel panelFin;
private JPanel panelDerecho;
private JPanel panelIzquierdo;
private JTextField [][]blank;
private JButton [][] botones;//arrego de botones
private JLabel [][] texto;

public DemoPanel (){
super("Paul Lozada");
botones = new JButton[2][2];
contenedor = getContentPane();
panelInicio = new JPanel(new GridLayout(2,2));
String [] nombres = {"Enero","Febrero","Marzo","abril","mayo","junio"};

int k = 0;
for (int i =0; i< botones.length;i++){
for(int j=0; j<2; j++){
botones [i][j] = new JButton(nombres[k]);
k += 1;
panelInicio.add(botones[i][j]);
}
}
contenedor.add(panelInicio,BorderLayout.NORTH);

texto = new JLabel[5][5];
panelFin = new JPanel(new GridLayout(5,5,10,10));
for(int i=0; i<5;i++){
for(int j =0; j<5 ;j++) {
texto[i][j] = new JLabel("texto"+i+""+j);
panelFin.add(texto[i][j]);
}

contenedor.add(panelFin,BorderLayout.SOUTH);
}

blank = new JTextField[4][3];
panelDerecho = new JPanel(new GridLayout(4,3,10,10));
for(int i=0; i<4;i++){
for(int j =0; j<3 ;j++) {
blank[i][j] = new JTextField("texto"+i+""+j);
panelDerecho.add(blank[i][j]);
}
contenedor.add(panelDerecho,BorderLayout.WEST);
}
blank = new JTextField[2][4];
panelIzquierdo = new JPanel(new GridLayout(4,3,10,10));
for(int i=0; i<2;i++){
for(int j =0; j<4 ;j++) {
blank[i][j] = new JTextField("texto"+i+""+j);
panelIzquierdo.add(blank[i][j]);
}
contenedor.add(panelIzquierdo,BorderLayout.EAST);
}
setSize(500,500);
setVisible(true);

}

public static void main(String args[]){
DemoPanel aplicacion = new DemoPanel();
aplicacion.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
}