CommonLayouts.java Source code

Introduction

Here is the source code for CommonLayouts.java

Source

import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;

import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.TitledBorder;

public class CommonLayouts extends JFrame {
    public CommonLayouts() {
        super("Common Layout Managers");
        setSize(500, 380);

        JPanel desktop = new JPanel();
        getContentPane().add(desktop);

        JPanel fr1 = new JPanel();
        fr1.setBorder(new TitledBorder("FlowLayout"));
        fr1.setLayout(new FlowLayout());
        fr1.add(new JButton("1"));
        fr1.add(new JButton("2"));
        fr1.add(new JButton("3"));
        fr1.add(new JButton("4"));
        desktop.add(fr1, 0);

        JPanel fr2 = new JPanel();
        fr2.setBorder(new TitledBorder("GridLayout"));
        fr2.setLayout(new GridLayout(2, 2));
        fr2.add(new JButton("1"));
        fr2.add(new JButton("2"));
        fr2.add(new JButton("3"));
        fr2.add(new JButton("4"));
        desktop.add(fr2, 0);

        JPanel fr3 = new JPanel();
        fr3.setBorder(new TitledBorder("BorderLayout"));
        fr3.add(new JButton("1"), BorderLayout.NORTH);
        fr3.add(new JButton("2"), BorderLayout.EAST);
        fr3.add(new JButton("3"), BorderLayout.SOUTH);
        fr3.add(new JButton("4"), BorderLayout.WEST);
        desktop.add(fr3, 0);

        JPanel fr4 = new JPanel();
        fr4.setBorder(new TitledBorder("BoxLayout - X"));
        fr4.setLayout(new BoxLayout(fr4, BoxLayout.X_AXIS));
        fr4.add(new JButton("1"));
        fr4.add(Box.createHorizontalStrut(12));
        fr4.add(new JButton("2"));
        fr4.add(Box.createGlue());
        fr4.add(new JButton("3"));
        fr4.add(Box.createHorizontalGlue());
        fr4.add(new JButton("4"));
        desktop.add(fr4, 0);

        JPanel fr5 = new JPanel();
        fr5.setBorder(new TitledBorder("BoxLayout - Y"));
        fr5.setLayout(new BoxLayout(fr5, BoxLayout.Y_AXIS));
        fr5.add(new JButton("1"));
        fr5.add(Box.createVerticalStrut(10));
        fr5.add(new JButton("2"));
        fr5.add(Box.createGlue());
        fr5.add(new JButton("3"));
        fr5.add(Box.createVerticalGlue());
        fr5.add(new JButton("4"));
        desktop.add(fr5, 0);

        WindowListener wndCloser = new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                System.exit(0);
            }
        };
        addWindowListener(wndCloser);
        setVisible(true);
    }

    public static void main(String argv[]) {
        new CommonLayouts();
    }
}