Factorial in Groovy

Welcome to the Factorial in Groovy page! Here, you'll find the source code for this program as well as a description of how the program works.

Current Solution

class Factorial {
    static def factorial(BigInteger n) {
        if (n == 0) {
            return 1
        }
        return n * factorial(n - 1)
    }

    static void main(args){
        if(args?.size() != 1 || !args[0].isInteger() || args[0].toInteger() < 0) {
          println "Usage: please input a non-negative integer"
          return
        }

        if(args[0].toInteger() >= 1000){
            println "Usage: please input a value below 1000"
            return
        }

        println factorial(args[0].toInteger())
    }
}

Factorial in Groovy was written by:

• Rafael Vargas

If you see anything you'd like to change or update, please consider contributing.

How to Implement the Solution

No 'How to Implement the Solution' section available. Please consider contributing.

How to Run the Solution

No 'How to Run the Solution' section available. Please consider contributing.