Question

How to calculate factorial using recursion in Scala

Answer 1

object Main {
    def factorial_recursion(n: Int): Int =
        if (n > 1) {
            n * factorial_recursion(n - 1) 
        } else {
            1
        }
 
    def main(args: Array[String]): Unit = {
        print(factorial_recursion(5));
    }
}
 
 
 
   
/*
run:
    
120
    
*/

 

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