Sunlo

Java Code of Shapes for Graphical User Interface: For Circle: import java.awt.*; import java.awt.geom.*; /**  * A circle that can be manipulated and that draws itself on a canvas.  *   * @author  Michael Kšlling and David J. Barnes  * @version 2011.07.31  */ public class Circle {     private int diameter;     private int xPosition;     private int yPosition;     private String color;     private boolean isVisible;          /**      * Create a new circle at default position with default color.      */     public Circle()     {         diameter = 68;         xPosition = 230;         yPosition = 90;         color = "blue";     }     /**      * Make...