Write a java Program to find the area of the Circle formula

import java.lang.*;
import java.io.*;
class Circlearea
{
    public static void main(String args[])
    {
        float pi=3.14159f,area;
        int r=5;
        area=pi*r*r;
        System.out.println("The area of the circle is:"+area);
    }
}

Posted in: Java