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Module DEMO-33-68DEMO-OOP-33

Factorial Method

DEMO-OOP-33 • Object Oriented Programming

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Problem Statement

Read one non-negative integer, implement factorial, and print the factorial value.

Input Format

Input is given as whitespace-separated tokens in this order:

  1. non-negative integer

Output Format

Print the exact report in this order:

  1. Factorial

Sample Testcases

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Sample #1
Public sample
Input
0
Output
Factorial: 1
Explanation
Input: non-negative integer = 0.
Key calculation(s): result = 1L | for (int i = 2; i <= 0; i++) { | "Factorial: " + result = "Factorial: 1".
Output:
Factorial: 1
Sample #2
Public sample
Input
5
Output
Factorial: 120
Explanation
Input: non-negative integer = 5.
Key calculation(s): result = 1L | for (int i = 2; i <= 5; i++) { | "Factorial: " + result = "Factorial: 120".
Output:
Factorial: 120

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