Java Number Sum sumOverOne(final int n)

Here you can find the source of sumOverOne(final int n)

Description

sum Over One

License

Open Source License

Parameter

Parameter Description
n a parameter

Return

summation of 1 for i from 1 to n

Declaration

private static int sumOverOne(final int n) 

Method Source Code

//package com.java2s;
/*/*from   w ww . j a va2 s.  com*/
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 * History
 *   Jun 18, 2008 (Pierre-Francois Laquerre): created
 */

public class Main {
    /**
     * @param n
     * @return summation of 1 for i from 1 to n
     */
    private static int sumOverOne(final int n) {
        return (n * (n + 1)) / 2;
    }
}

Related

  1. sumNforOddIndices(long n)
  2. sumOfCollectionDouble(Iterable doubleIterable)
  3. sumOfDigits(long n)
  4. sumOfProperDivisors(long num)
  5. sumOr0(Object a, Object b)
  6. sumPossitiveIntegerSequencePartial(int start, int end)
  7. sumUp(final Iterable values)