Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.GridLayout;

import javax.swing.BorderFactory;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.SwingConstants;

public class Main extends JPanel {
    private static final int GAP = 5;

    public Main() {
        JPanel borderLayoutPanel = new JPanel(new BorderLayout());
        borderLayoutPanel.setBorder(BorderFactory.createTitledBorder("BorderLayout Panel"));
        borderLayoutPanel.add(createGridPanel(), BorderLayout.CENTER);

        JPanel flowLayoutPanel = new JPanel(new FlowLayout());
        flowLayoutPanel.setBorder(BorderFactory.createTitledBorder("FlowLayout Panel"));
        flowLayoutPanel.add(createGridPanel());

        setBorder(BorderFactory.createEmptyBorder(GAP, GAP, GAP, GAP));
        setLayout(new GridLayout(1, 0, GAP, 0));
        add(borderLayoutPanel);
        add(flowLayoutPanel);
    }

    private JPanel createGridPanel() {
        int rows = 5;
        int cols = 5;
        JPanel gridPanel = new JPanel(new GridLayout(rows, cols));
        for (int i = 0; i < rows; i++) {
            for (int j = 0; j < cols; j++) {
                JLabel label = new JLabel(String.format("[%d, %d]", i, j), SwingConstants.CENTER);
                label.setBorder(BorderFactory.createEtchedBorder());
                gridPanel.add(label);
            }
        }
        return gridPanel;
    }

    public static void main(String[] args) {
        JFrame frame = new JFrame();
        frame.getContentPane().add(new Main());
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.pack();
        frame.setVisible(true);
    }
}