Compute the factorial of a value Use this method for small values. - Android java.lang

Android examples for java.lang:Math

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Description

Compute the factorial of a value Use this method for small values.

Demo Code


//package com.java2s;

public class Main {
    /**/* w w  w.ja v a 2  s  .  c  o  m*/
     * Compute the factorial of a value
     * Use this method for small values. For larger values, use <code>factorial2</code>
     * 
     * @param n must be >= 0
     * @return the factorial value
     * @see factorial2
     */
    public static long factorial(int n) {
        if (n <= 1)
            return 1;
        else
            return n * factorial(n - 1);
    }
}

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