Programming Examples

Java program to find absolute value of number


Write a Java program that takes a number as input and calculates its absolute value using the Math.abs() function.

Solution

import java.util.Scanner;
public class AbsoluteValue 
{
    public static void main(String[] args) 
	{
        Scanner sc = new Scanner(System.in);
        System.out.print("Enter a number: ");
        double number = sc.nextDouble();
        double absoluteValue = Math.abs(number);
        System.out.println("The absolute value of " + number + " is " + absoluteValue);
    }
}
Output


Write a program to input any integer number and print its absolute value.

Non sign representation on number is known as Absolute value.

Solution

import java.util.Scanner;
public class AbsoluteValue 
{
    public static void main(String args[]) 
	{
        Scanner sc = new Scanner(System.in);
        System.out.print("Enter a number: ");
        int number = sc.nextInt();
        int absoluteValue=number;
        if (number < 0) 
		{
            absoluteValue = -number; // If number is negative, make it positive 
			// alternate method is : absoluteValue=number*-1;
        } 
        System.out.println("Absolute value of " + number + " is: " + absoluteValue);
    }
}
Output

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