Practice Exercises Java - Learn to program performing exercises with Java

Practice Exercises Java

Learn to program performing exercises with Java

12 Lessons Java with the Solutions - 228 Exercises Java with the solutions
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Function Double - Practice Exercises Java

Lesson 5:


Exercise 5.8:

Function Double


Create a function named "Double" to calculate and return an integer number doubled. For example. Double(7) should return 14.

Source Code:

import java.util.*;
public class Main
	public static int Double(int number)
		return number * 2;

	public static void main(String[] args)
		System.out.print("Enter a number: ");
		int number = Integer.parseInt(new Scanner(;
		System.out.printf("Double of %1$s is %2$s" + "\r\n", number, Double(number));
Exercisey 5.8

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