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

Absolute value - Practice Exercises Java


Lesson 2:

Flow Control


Exercise 2.27:

Absolute value


Objetive:

Write a program to calculate (and display) the absolute value of a number x: if the number is positive, its absolute value is exactly the number x; if it is negative, its absolute value is -x.

Do it in two different ways in the same program: using "if" and using the "conditional operator" (?)


Source Code:


import java.util.*;
public class Main
{
	public static void main(String[] args)
	{
		int n, abs;
		System.out.print("Enter a number: ");
		n = Integer.parseInt(new Scanner(System.in).nextLine());

		if (n < 0)
		{
			abs = -n;
		}
		else
		{
			abs = n;
		}

		System.out.printf("Absolute valor is %1$s" + "\r\n", abs);

		abs = n < 0 ? -n : n;

		System.out.printf("And also %1$s" + "\r\n", abs);
	}
}
Exercisey 2.27

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