Java Array Sum sumArray(int[] arr)

Description

Returns the sum of all values in an array.

License

Open Source License

Declaration

public static int sumArray(int[] arr) 

Method Source Code

//package com.java2s;

public class Main {
    /** Returns the sum of all values in an array. Args: Array */
    public static int sumArray(int[] arr) {
        int sum = 0;
        for (int i = 0; i < arr.length; i++) {
            sum += arr[i];/*  w  w  w. j  a va  2 s  .c  o  m*/
        }
        return sum;
    }

    /** Returns the sum of all values in an array. Args: Array */
    public static double sumArray(double[] arr) {
        double sum = 0;
        for (int i = 0; i < arr.length; i++) {
            sum += arr[i];
        }
        return sum;
    }

    /** Returns the sum of all values in an array. Args: Array */
    public static float sumArray(float[] arr) {
        float sum = 0;
        for (int i = 0; i < arr.length; i++) {
            sum += arr[i];
        }
        return sum;
    }

    public static long sumArray(long[] arr) {
        long sum = 0;
        for (int i = 0; i < arr.length; i++) {
            sum += arr[i];
        }
        return sum;
    }
}

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