import javax.swing.*;
import java.awt.*; // Necessary for layout

public class DifferentLayouts extends JFrame {

    private JButton b1, b2, b3, b4, b5, b6;


    public DifferentLayouts() {
        
        getContentPane().setLayout(new GridLayout(3,2));

        b1 = new JButton("b1");
        b2 = new JButton("b2");
        b3 = new JButton("b3");
        b4 = new JButton("b4");
        b5 = new JButton("b5");
        b6 = new JButton("b6");
        
        getContentPane().add(b1);
        getContentPane().add(b2);
        getContentPane().add(b3);
        getContentPane().add(b4);
        getContentPane().add(b5);
        getContentPane().add(b6);
      

    } //end constructor

    public static void main(String[] args) {
        DifferentLayouts f;
        f = new DifferentLayouts();
        f.setSize(300, 300);
        f.setVisible(true);
    } //end main
} //end class