Exercises Java with Examples-
Practice Exercises Java 4,5 5 302940

Sphere, float - Practice Exercises Java

Lesson 3:

Basic data types

Exercise 3.11:

Sphere, float


Calculate the surface and volume of a sphere, given its radius (surface = 4 * pi * radius squared; volume = 4/3 * pi * radius cubed).

Hint: for "float" numbers, you must use Convert.ToSingle(...)

Source Code:

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));
Exercisey 3.11

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