Layout examples in java

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

public class TestLayout11 {

     public TestLayout11() {
                JFrame frame = new JFrame("Test");
                frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                frame.setLayout(new BorderLayout());
                frame.add(new ExamplePane());
                frame.pack();
                frame.setLocationRelativeTo(null);
                frame.setVisible(true);
            }
           

    protected class ExamplePane extends JPanel {

        public ExamplePane() {
            setLayout(new GridBagLayout());

            JPanel buttonPane = new JPanel(new GridBagLayout());

            JButton btnOkay = new JButton("Ok");
            JButton btnCancel = new JButton("Cancel");

            JTextArea textArea = new JTextArea(5, 20);

            GridBagConstraints gbc = new GridBagConstraints();
           
            gbc.gridx = 0;
            gbc.gridy = 0;
            gbc.fill = GridBagConstraints.HORIZONTAL;
            gbc.anchor = GridBagConstraints.CENTER;
            buttonPane.add(btnOkay, gbc);
            gbc.gridy++;
            gbc.insets = new Insets(50, 0, 0, 0);
            buttonPane.add(btnCancel, gbc);

            gbc.gridx = 0;
            gbc.gridy = 0;
            gbc.insets = new Insets(100, 100, 100, 100);
            add(buttonPane, gbc);

            gbc.insets = new Insets(150, 100, 150, 100);
            gbc.gridx++;
            gbc.gridy = 0;
            gbc.fill = GridBagConstraints.BOTH;
            add(new JScrollPane(textArea), gbc);               
        }           
    }     
   
     public static void main(String[] args) {
        new TestLayout11();
    } 
}

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