-
Notifications
You must be signed in to change notification settings - Fork 0
/
prgrm.java
93 lines (79 loc) · 2.58 KB
/
prgrm.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
import java.util.*;
import java.lang.*;
interface Shape {
float pi = 3.14F;
float area();
float perimeter();
}
class Circle implements Shape {
Scanner sc = new Scanner(System.in);
int r;
public float area() {
System.out.print("Enter the radius : ");
r = Integer.parseInt(sc.nextLine());
return (pi * r * r);
}
public float perimeter() {
System.out.print("Enter the radius : ");
r = Integer.parseInt(sc.nextLine());
return (2 * pi * r);
}
}
class Rectangle implements Shape {
Scanner sc = new Scanner(System.in);
int l, b;
public float area() {
System.out.print("Enter the Length : ");
l = Integer.parseInt(sc.nextLine());
System.out.print("Enter the breadth : ");
b = Integer.parseInt(sc.nextLine());
return (l * b);
}
public float perimeter() {
System.out.print("Enter the Length : ");
l = Integer.parseInt(sc.nextLine());
System.out.print("Enter the breadth : ");
b = Integer.parseInt(sc.nextLine());
return (2 * (l + b));
}
}
class Prgrm17 {
public static void main(String args[]) {
Scanner sc = new Scanner(System.in);
Circle c = new Circle();
Rectangle r = new Rectangle();
int ch;
while (true) {
System.out.println("1:Area of Circle");
System.out.println("2:Perimeter of Circle");
System.out.println("3:Area of Rectangle");
System.out.println("4:Perimter of Rectangle");
System.out.println("5:EXIT");
System.out.println("enter choice ");
ch = Integer.parseInt(sc.nextLine());
switch (ch) {
case 1:
float ar = c.area();
System.out.println("Area :" + ar);
break;
case 2:
float pr = c.perimeter();
System.out.println(pr);
break;
case 3:
float a = r.area();
System.out.println("Area :" + a);
break;
case 4:
float pr1 = r.perimeter();
System.out.println(pr1);
break;
case 5:
System.out.println("Exiting the Program");
System.exit(0);
default:
System.out.println("invalid!");
}
}
}
}