MainClass.java Source code

Java tutorial

Introduction

Here is the source code for MainClass.java

Source

import java.awt.Color;
import java.awt.Graphics;

import javax.swing.JFrame;
import javax.swing.JPanel;

public class MainClass extends JPanel {

    public void paint(Graphics g) {
        g.setColor(Color.red);
        Graphics clippedGraphics = g.create();
        clippedGraphics.drawRect(0, 0, 100, 100);
        clippedGraphics.clipRect(25, 25, 50, 50);
        clippedGraphics.drawLine(0, 0, 100, 100);
        clippedGraphics.dispose();
        clippedGraphics = null;
        g.drawLine(0, 100, 100, 0);
    }

    public static void main(String[] args) {
        JFrame frame = new JFrame();
        frame.getContentPane().add(new MainClass());

        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(200, 200);
        frame.setVisible(true);
    }
}