recursion07.java

// Java Program to Find Factorial of a Number
// where N>=0 is currently N>1
 
// Importing input output classes
import java.io.*;
// importing utility classes
import java.util.*;
 
// Main class
class Recursion {
 
    // Method 1
    // To calculate factorial
    static int factorial(int n)
    {
 
        // Handling base case
        // iIf value of n=1 or n=0, it returns 1
        if (n == 0 || n == 1)
            return 1;
 
        // Generic case
        // Otherwise we do n*(n-1)!
        return n * factorial(n - 1);
    }
 
    // Method 2
    // main driver method
    public static void main(String[] args)
    {
 
        // Calling method 1 to compute factorial and
        // storing the result into a variable
        int ans = factorial(5);
 
        // Print and display the factorial of number
        // customly passed as an argument
        System.out.println("Factorial of 5 is :" + ans);
    }
}