**Program to demonstrate how to calculate Exponential of a number in Java.**

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package com.hubberspot.code; import java.util.Scanner; public class ExponentialCalculation { public static void main(String[] args) { // Create a Scanner object which will read // values from the console which user enters Scanner scanner = new Scanner(System.in); // Getting input from user from the console System.out.println("Enter value of number "); // Calling nextDouble method of scanner for // taking a double value from user and storing // it in number variable double number = scanner.nextDouble(); System.out.println(); System.out.println("Calculating exponential of a number ... "); // In order to calculate exponential of a number // we use Math class exp() static method which takes in a // number and returns back the exponential of a number double result = Math.exp(number); // printing the result on the console System.out.println("Exponential of " + number + " is : " + result); } }

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**Output of the program :**