Java Programming - Find the Factorial of a Number | User Input
As a beginner, you will often come across a factorial program in Java interview. In Layman’s term, Factorial of a positive integer is the product of all descending integers. Factorial of a number(n) is denoted by n!. Also, factorial of 0 is 1 and it is not defined for negative integers. Here’s a simple representation to calculate factorial of a number-
n! = n*(n-1)*(n-2)* . . . . . *1
Here, 4! is pronounced as "4 factorial", it is also called "4 bang" or "4 shriek".
The factorial is normally used in Combinations and Permutations (mathematics).
There are many ways to write the factorial program in java language. Let's see the 2 ways to write the factorial program in java.
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