Sphere, float Learn programming Java

import java.util.*;
public class Main
{
	public static void main(String[] args)
	{
		float radius;
		float pi = 3.1415926535f;

		System.out.print("Radius? ");
		radius = Float.parseFloat(new Scanner(System.in).nextLine());

		System.out.println(4 * pi * (radius * radius));

		System.out.println(4 / 3 * pi * (radius * radius * radius));
	}
}