[hardwired]

Code:

import java.awt.*;
import javax.swing.*;

public class SomeLayouts {
    private JTabbedPane getContent() {
        JTabbedPane tabbedPane = new JTabbedPane();
        tabbedPane.addTab("GridLayout", getGridTab());
        tabbedPane.addTab("GridBag 1", getGridBagTab1());
        tabbedPane.addTab("GridBag 2", getGridBagTab2());
        return tabbedPane;
    }

    private JPanel getGridTab() {
        JPanel panel = new JPanel(new GridLayout(0,1));
        panel.add(getLabel());
        JPanel p = new JPanel();
        p.add(getTextField());
        panel.add(p);
        p = new JPanel();
        p.add(getButton());
        panel.add(p);
        return addToParent(panel);
    }

    private JPanel getGridBagTab1() {
        JPanel panel = new JPanel(new GridBagLayout());
        GridBagConstraints gbc = new GridBagConstraints();
        gbc.insets = new Insets(5,5,5,5);
        gbc.gridwidth = GridBagConstraints.REMAINDER;
        panel.add(getLabel(), gbc);
        panel.add(getTextField(), gbc);
        panel.add(getButton(), gbc);
        return addToParent(panel);
    }

    private JPanel getGridBagTab2() {
        JPanel panel = new JPanel(new GridBagLayout());
        GridBagConstraints gbc = new GridBagConstraints();
        gbc.insets = new Insets(2,2,2,2);
        gbc.gridwidth = GridBagConstraints.REMAINDER;
        gbc.weightx = 1.0;
        gbc.anchor = GridBagConstraints.WEST;
        panel.add(getLabel(), gbc);
        gbc.anchor = GridBagConstraints.CENTER;
        panel.add(getTextField(), gbc);
        panel.add(getButton(), gbc);
        return addToParent(panel);
    }

    private JPanel addToParent(JPanel north) {
        JTextArea displayArea = new JTextArea(10,25);
        displayArea.setEnabled( false );
        JPanel panel = new JPanel(new BorderLayout());
        panel.add(north, "North");
        panel.add(new JScrollPane( displayArea ));
        return panel;
    }

    private JLabel getLabel() {
        return new JLabel("Choose a number from 1 to 10:");
    }

    private JTextField getTextField() {
        JTextField enterField = new JTextField(8);
        enterField.setEnabled( false );
        return enterField;
    }

    private JButton getButton() {
        return new JButton("Send");
    }

    public static void main(String[] args) {
        SomeLayouts test = new SomeLayouts();
        JFrame f = new JFrame();
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        Container container = f.getContentPane();
        container.add( test.getContent() );
//        setSize(400,250);
        f.pack( );
        f.setLocation(200,200);
        f.setVisible( true );
    }
}