Find Area Circle Program in Java

Area of Circle = (22/7) X radius x radius

import java.util.Scanner;
public class JavaFindAreaCircle 
{
    public static void main(String[] args) 
    {
        float area,pi,r;
        pi=(float)22/7;
        Scanner sc=new Scanner(System.in);
        System.out.print("Enter radius=");
        r=sc.nextFloat();
        area=(float)pi*r*r;        
        System.out.println("Area of Circle="+area);
    }
}

Output:

Enter radius=5
Area of Circle=78.57143

b. tech. bca icse java java tutorials learn java mca programs