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...

GRAPHICAL USER INTERFACE : CANVAS CLASS: import javax.swing.*; import java.awt.*; import java.util.List; import java.util.*; /**  * Canvas is a class to allow for simple graphical drawing on a canvas.  * This is a modification of the general purpose Canvas, specially made for  * the BlueJ "shapes" example.   *  * @author: Bruce Quig  * @author: Michael Kšlling (mik)  *  * @version 2011.07.31  */ public class Canvas {     // Note: The implementation of this class (specifically the handling of     // shape identity and colors) is slightly more complex than necessary. This     // is done on purpose to keep the interface and instance fields of the     // shape objects in this project clean and simple for educational purposes.     private static Canvas canvasSingleton;     /**      * Factory method to get t...

Student Progress The First Class is Student Class:-   public class Student { private string first_name; //private String last_name; private string father_name; private string Address; private string chem_marks; private String phy_marks; private String bio_marks; private String math_marks; private String eng_marks; public Student(string first_name,String father_name , String Address , String chem_makrs , String phy_marks , String bio_marks , String math_marks , String eng_marks ) { super(); this.first_name = first_name; this.father_name= father_name; this.Address = Address; this.chem_marks= chem_marks; this.phy_marks= phy_marks; this.bio_marks= bio_marks; this.math_marks= math_marks; this.eng_marks= eng_marks; } public String getFirst_name() { return first_name; } public void setFirst_name(String first_name) { this.first_name = first_name; } /*public String getLast_name() { return last_na...