Question

WAP to calculate the area of circle by input method​

Answer 1

Answer:

The program output is also shown below.

1. public class Area.
2. int r;
3. double pi = 3.14, area;
4. Scanner s = new Scanner(System.
5. System. out. print("Enter radius of circle:");
6. r = s. nextInt();
7. area = pi * r * r;
8. System. out. println("Area of circle:"+area);