MainClass.java Source code

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) {
        int n = 3;
        int xdata[] = new int[n];
        int ydata[] = new int[n];
        xdata[0] = 50;
        ydata[0] = 150;
        xdata[1] = 200;
        ydata[1] = 50;
        xdata[2] = 350;
        ydata[2] = 150;
        int rgb = Color.HSBtoRGB(1.0f, 1.0f, 1.0f);
        g.setColor(new Color(rgb));
        g.fillPolygon(xdata, ydata, n);

    }

    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);
    }
}