Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.Color;
import java.awt.Container;
import java.awt.GradientPaint;
import java.awt.Graphics;
import java.awt.Graphics2D;

import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;

public class Main {
    public static void main(String[] args) {
        Container c1 = new GradientPanel();
        Container c2 = new GradientPanel();
        JTabbedPane top = new JTabbedPane();

        JFrame frame = new JFrame();
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        top = new JTabbedPane(JTabbedPane.TOP);
        top.addTab("1", c1);
        top.addTab("2", c2);
        frame.add(top);
        frame.pack();
        frame.setVisible(true);
    }
}

class GradientPanel extends JPanel {
    public GradientPanel() {
        this.add(new JLabel("Here"));
    }

    @Override
    protected void paintComponent(Graphics g) {
        super.paintComponent(g);
        Graphics2D g2d = (Graphics2D) g;
        GradientPaint p = new GradientPaint(0, 0, Color.white, getWidth(), getHeight(), Color.gray);
        g2d.setPaint(p);
        g2d.fillRect(0, 0, getWidth(), getHeight());
    }
}