Question

a Java program to generate the area of circle

Answer 1

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

　　　　　}
　　　　　}
　　　}

　　　　　　　　Output

Area of circle = 154

____________________________________________________________________________________

Java is a predifined computer specialized coding.

Java follows some rules in the programs.

Answer 2

hi

hope it helps to you

. Static Method

import java.util.Scanner;

class AreaOfCircle

{

   public static void main(String args[])

    {  

Scanner s= new Scanner(System.in);

System.out.println("Enter the radius:");

         double r= s.nextDouble();

         double  area=(22*r*r)/7 ;

         System.out.println("Area of Circle is: " + area);      

   }

}

Output:


Enter the radius :

7

Area of circle : 154.0

 thanks