(Solved) : 1 Need Inheritence Programe 2 Set Point 3 Public Class Point 4 5 Private Int X 6 Private I Q27561544 . . .
1 // I NEED INHERITENCE THIS PROGRAME
2 // THIS IS SET POINT
3 public class Point
4 {
5 private int x;
6 private int y;
7
8 // Constructor
9 Point()
10 {
11 setPoint(0, 0);
12 }
13
14 // Construtor with parameters
15 public Point(int x, int y)
16 {
17 setPoint(x, y);
18 }
19
20 public void setPoint(int x, int y) // To set points
21 {
22 this.x = x;
23 this.y = y;
24 }
25
26 int getXPoint()
27 {
28 return this.x;
29 }
30
31 int getYPoint()
32 {
33 return this.y;
34 }
35
36 public void displayPoint()
37 {
38 System.out.println(” Point x is: ” + getXPoint() + “Point y is:” + getYPoint());
39 }
40
41
42 }
// THIS IS DEMO1 CIRCLE
1 public class Circle extends Point
2 {
3 private double r;
4
5 /*public void setRadius()
6 {
7 this(0.0);
8 }
9 */
10 public void setRadius(double r)
11 {
12 //super(r);
13 this.r = r;
14 }
15
16 public double getRadius()
17 {
18
19 return this.r;
20 }
21
22 public double getArea()
23 {
24 return Math.PI * Math.pow(this.r, 2);
25 }
26
27 public double getCircum()
28 {
29 return 2 * Math.PI * r;
30
31 }
32
33 // @Override
34 public String toSting()
35 {
36 String msg = String.format(“r=%f”, r);
37 return msg;
38 }
39
40
41
42 }
// THIS IS DEMO2 CYLINDER
1 public class Cylinder extends Circle
2 {
3 private double h;
4
5 // Constructor
6 public Cylinder()
7 {
8 this(1.0);
9 }
10
11 public Cylinder(double h)
12 {
13 this.h = h;
14 }
15 // Constructor with parameters
16 public Cylinder(double h, double x, int y, double r)
17 {
18 //super(r);
19 this.h = h;
20 }
21
22 public double getVolume()
23 {
24 return super.getArea() * h;
25 }
26 // @Override
27 public double getSurface()
28 {
29 return 2 * super.getArea() + super.getCircum() * h;
30
31 }
32
33 public String toString()
34 {
35 String msg = String.format(” r = “, getRadius(), this.h);
36 return msg;
37 }
38
39
40 }
// THIS IS TEST DATA
1 public class Test
2 {
3
4 public static void main(String []args)
5
6 {
7 //Point point = new Point(7, 11);
8 //Circle circle = new Circle(22, 8, 3.5);
9 /*Cylinder cylinder = new Cylinder(10, 10, 10, 3.3);
10
11 point.displayPoint();
12 circle.displayCircle();
13 circle.displayCircleArea();
14 circle.calculateCircumference();
15 cylinder.areaCylinder();
16 cylinder.volumeCylinder();*/
17
18 Circle cl = new Circle();
19 //cl.getRadius();
20 Cylinder cl2 = new Cylinder();
21
22 System.out.println(cl);
23 System.out.println(cl2);
24 double a = cl2.getArea();
25 System.out.println(a);
26 }
27
28 }
Expert Answer
Answer to 1 Need Inheritence Programe 2 Set Point 3 Public Class Point 4 5 Private Int X 6 Private I Q27561544 . . .
OR