Robert Peth Blogspot

Input : package uts_grafika; import static java.awt.Color.red; import javax.swing.JFrame; import javax.swing.JPanel; import java.awt.Graphics; public class Uts_grafika extends JFrame {     public Uts_grafika(){         add (new Kanvas());     }     public static void main(String[] args) {         Uts_grafika frame = new Uts_grafika ();         frame.setTitle ("Uts Grafika Komputer");         frame.setSize(500,300);         frame.setLocationRelativeTo(null);         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);         frame.setVisible (true);     }                 private static class Kanvas...