Java-Programming-Exercises/MyDrawPanel.java at master · RoyTien/Java-Programming-Exercises · GitHub

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import java.awt.*;

import javax.swing.*;

class MyDrawPanel extends JPanel{

public void paintComponent(Graphics g){

Graphics2D g2d = (Graphics2D) g;

int myRed = (int)(Math.random() * 255);

int myGreen = (int)(Math.random() * 255);

int myBlue = (int)(Math.random() * 255);

Color startColor = new Color(myRed,myGreen,myBlue);

myRed = (int)(Math.random() * 255);

myGreen = (int)(Math.random() * 255);

myBlue = (int)(Math.random() * 255);

Color endColor = new Color(myRed,myGreen,myBlue);

GradientPaint gradient = new GradientPaint(70,70,startColor,150,150,endColor);

g2d.setPaint(gradient);

g2d.fillOval(70,70,100,100);

}

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