BoxLayoutDemo.java Source code

Introduction

Here is the source code for BoxLayoutDemo.java

Source

import java.awt.Color;
import java.awt.Component;

import javax.swing.BorderFactory;
import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;

public class BoxLayoutDemo {
    private static JComponent createComponent(String s) {
        JLabel l = new JLabel(s);
        l.setBorder(BorderFactory.createMatteBorder(5, 5, 5, 5, Color.DARK_GRAY));
        l.setHorizontalAlignment(JLabel.CENTER);
        l.setAlignmentX(Component.CENTER_ALIGNMENT); //use middle of row
        return l;
    }

    public static void main(String[] args) {
        JFrame frame = new JFrame();
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        JPanel p = new JPanel();
        p.setLayout(new BoxLayout(p, BoxLayout.PAGE_AXIS));
        p.add(createComponent("Component 1"));
        p.add(Box.createVerticalGlue());
        p.add(createComponent("Component 2"));
        p.add(createComponent("Component 3"));
        p.add(createComponent("Component 4"));
        frame.setContentPane(p);

        //Display the window.
        frame.pack();
        frame.setVisible(true);
    }
}