Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.BorderLayout;
import java.awt.Dimension;

import javax.swing.JDesktopPane;
import javax.swing.JFrame;
import javax.swing.JInternalFrame;
import javax.swing.JLabel;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;

public class Main extends JFrame {
    private final JDesktopPane desktopPane = new JDesktopPane();

    public Main() {
        JInternalFrame frame1 = new JInternalFrame("Frame 1", true, true, true, true);

        JInternalFrame frame2 = new JInternalFrame("Frame 2", true, true, true, true);

        frame1.getContentPane().add(new JLabel("Frame 1  contents..."));
        frame1.pack();
        frame1.setVisible(true);

        frame2.getContentPane().add(new JLabel("Frame 2  contents..."));
        frame2.pack();
        frame2.setVisible(true);

        int x2 = frame1.getX() + frame1.getWidth() + 10;
        int y2 = frame1.getY();
        frame2.setLocation(x2, y2);

        desktopPane.add(frame1);
        desktopPane.add(frame2);

        this.add(desktopPane, BorderLayout.CENTER);

        this.setMinimumSize(new Dimension(300, 300));
    }

    public static void main(String[] args) {
        try {
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        } catch (Exception e) {
            e.printStackTrace();
        }
        SwingUtilities.invokeLater(() -> {
            Main frame = new Main();
            frame.pack();
            frame.setVisible(true);
            frame.setExtendedState(frame.MAXIMIZED_BOTH);
        });
    }
}