Question

How to find NCR factorial of a number in Java

Answer 1

public class MyClass {
    static int factorial(int n) {
        return (n==1 || n==0) ? 1 : n * factorial(n - 1);
    }
    public static void main(String args[]) {
        int n = 7, r = 3;
  
        int ncr = factorial(n) / (factorial(r) * factorial(n - r));

        System.out.println(ncr);
    }
}


 
 
/*
run:
 
35
 
*/

 

70+ SQL courses for beginners and professionals