gridlayout

import java.awt.*;

import javax.swing.*;

public class GridLayoutDemo {

    public final static boolean RIGHT_TO_LEFT = false;

    public static void addComponentsToPane(Container contentPane) {

        if (RIGHT_TO_LEFT) {

            contentPane.setComponentOrientation(

                ComponentOrientation.RIGHT_TO_LEFT);

        }

//        Any number of rows and 2 columns

        contentPane.setLayout(new GridLayout(0,2));

        contentPane.add(new JLabel("JLabel 1"));

        contentPane.add(new JButton("JButton 2"));

        contentPane.add(new JCheckBox("JCheckBox 3"));

        contentPane.add(new JTextField("Long-Named JTextField 4"));

        contentPane.add(new JButton("JButton 5"));

    }

    private static void createAndShowGUI() {

        JFrame.setDefaultLookAndFeelDecorated(true);

        JFrame frame = new JFrame("GridLayout Source Demo");

        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        //Set up the content pane and components in GridLayout

        addComponentsToPane(frame.getContentPane());

<font size=-1>

        frame.pack();

        frame.setVisible(true);

    }

    public static void main(String[] args) {

        javax.swing.SwingUtilities.invokeLater(new Runnable() {

            public void run() {

                createAndShowGUI();

            }

        });

    }

}

http://www.javabeginner.com/java-swing/java-gridlayout-class-example