Java Factorial factorial(int x)

Description

Calculates the factorial of x.

License

Apache License

Parameter

Parameter	Description
x	the value for which to calculate the factorial

Return

fac(x)

Declaration

public static long factorial(int x) 

Method Source Code

//package com.java2s;
/**//from  w w w  .j a  v  a 2  s. c  o m
 * Copyright 2014 SAP AG
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

public class Main {
    /**
     * Calculates the factorial of x.
     * 
     * @param x
     *            the value for which to calculate the factorial
     * @return fac(x)
     */
    public static long factorial(int x) {
        long result = 1;
        while (x >= 1) {
            result *= x;
            x--;
        }
        return result;
    }
}

Related

1. factorial(int n)
2. factorial(int number)
3. factorial(int value)
4. factorial(int x)
5. Factorial(int x)
6. factorial(long l)
7. factorial(long n)
8. factorial(long num)
9. factorialAsDouble(int n)