1. importjava.awt.*;
importjavax.swing.*;
public class w extends JFrame{
publicVentanaBorderLayout() {
super("Agregatitulo");
Container COn=getContentPane();
JButton b1=new JButton("A");
JButton b2=new JButton("B");
JButton b3=new JButton("C");
JButton b4=new JButton("D");
JButton b5=new JButton("E");
COn.setLayout(new BorderLayout());
COn.add(b1,BorderLayout.NORTH);//arriba
COn.add(b2,BorderLayout.SOUTH);//abajo
COn.add(b3,BorderLayout.WEST);//izquierda
COn.add(b4,BorderLayout.EAST);//derecho
COn.add(b5,BorderLayout.CENTER);//centro
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
public static void main (String[] args) {
VentanaBorderLayout v=new VentanaBorderLayout();
v.setSize(300,300);
v.setVisible(true);
}

2. }
importjava.awt.*;
importjavax.swing.*;
public class VentanaFlowLayout extends JFrame{
publicVentanaFlowLayout() {
super("Agregatitulo");
Container COn=getContentPane();
JButton b1=new JButton("A");
JButton b2=new JButton("B");
JButton b3=new JButton("BOTON MAS LARGO");
JButton b4=new JButton("D");
JButton b5=new JButton("E");
COn.setLayout(new FlowLayout());
COn.add(b1);
COn.add(b2);
COn.add(b3);
COn.add(b4);
COn.add(b5);
}
public static void main (String[] args) {
VentanaFlowLayout vent=new VentanaFlowLayout();
vent.setSize(200,200);
vent.setVisible(true);
vent.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

3. }
}
public class VentanaGridLayout extends JFrame{
public VentanaGridLayout() {
super("4.3. GridLayout");
Container Leo=getContentPane();
JButton b1=new JButton("BOTON 1");
JButton b2=new JButton("BOTON 2");
JButton b3=new JButton("BOTON 3");
JButton b4=new JButton("BOTON 4");
JButton b5=new JButton("BOTON 5");
Leo.setLayout(new GridLayout(3,3));
Leo.add(b1);
Leo.add(b2);
Leo.add(b3);
Leo.add(b4);
Leo.add(b5);
setSize(300,300);
setVisible(true);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
public static void main (String[] args) {
newVentanaGridLayout();
}
}