0; i--){ fact = fact*i; } System.out.println(fact); } } factorial calculator factorial number program in java using recursion factorial program in java Finding Factorial of a Number in Java - InstanceOfJava This is the java programming blog on "OOPS Concepts" , servlets jsp freshers and 1, 2,3 years expirieance java interview questions on java with explanation for interview examination . Visit this page to learn to find factorial of a number using recursion. It's because the number of iteration (upto num) is known. Java Program to Find Factorial of a Number. filter_none. Java Examples - Calculating Factorial - How to use method for calculating Factorial of a number? The factorial is normally used in Combinations and Permutations (mathematics). The factorial of n (written n!) Tweet on Twitter. The for loop calculates the factorial of number 5 as = 1*2*3*4*5 because it uses increment operator. I just would like to give a huge thumbs up for the great info you have here on this post. and the value of n! For an example, the factorial of 5 is equivalent to 5 x 4 x 3 x 2 x 1. Code Explanation: Started with two variables “i” and “fact”, with value 1, then “number” with 5, which is our number to calculate the factorial. Writing Factorial program in java. 0.