Java program for Area of a circle

Question

Java area of a circle

Answer 1

double area = Math.PI * radius * radius;

Answer 2

thats all you need... then do what you want with it. i.e. print it to the console

Answer 3

import java.util.Scanner;
public class Program
{
public static void main(String[] args) {
Scanner input = new Scanner(System.in);

float radius = 0.0f;
float area = 0.0f;

System.out.print("Enter circle radius: ");
radius = input.nextFloat();

area = 3.14159265f * radius * radius;
System.out.println("\nArea is: " + area);
}
}

Answer 4

write the code for it please

Answer 5

Alright thank you very much