Question

a Java program for generating area of circle

Answer 1

class AreaofCircle{
　　　public static void main()
　　　{
　　　　　{
　　　　　int r = 9;
　　　　　int Area = 22/7 * 9 * 9;
　　　　　System.out.println("Area of circle = " + Area);

　　　　　}
　　　　　}
　　　}

　　　　　　　　Output

Area of circle = 254

Answer 2

ÊLLØ'.....!!

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1. import java.util.Scanner;

2. public class Area

3. {

4. public static void main(String[] args)

5. {

6. int r;

7. double pi = 3.14, area;

8. Scanner s = new Scanner(System.in);

9. System.out.print("Enter radius of circle:");

10. r = s.nextInt();

11. area = pi * r * r;

12. System.out.println("Area of circle:"+area);

13. }

14. }

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THÅÑKẞ.....!!