get factorial

In this tutorial, i will going to teach you how to create a program that computes factorial of a number. We all know that factorial is defined only for natural numbers and it means as the continued product of successive natural numbers from 1 to the number inputted. Now let's start this tutorial! 1. Open JCreator or NetBeans and make a java program with a file name of factorial.java. 2. Import javax.swing package.