Java Utililty Methods Array Sum

List of utility methods to do Array Sum

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Description

The list of methods to do Array Sum are organized into topic(s).

Method

intsum(int... xs)
sum 
int sum = 0;
for (int x : xs)
    sum += x;
return sum;
intsum(int[] a)
sum 
int s = 0;
for (int x : a)
    s += x;
return s;
intsum(int[] a)
Return the sum of a one dimensional array. 
int rowNum = a.length;
int sum = 0;
for (int i = 0; i < rowNum; i++) {
    sum += a[i];
return sum;
intsum(int[] a)
sum 
int Result = 0;
for (int i = 0; i < a.length; i++)
    Result += a[i];
return Result;
intsum(int[] a)
sum 
int v = 0;
for (int i : a) {
    v += i;
return v;
intsum(int[] add)
Sum of an int array 
if (add.length < 1)
    return 0;
int ret = 1;
for (int i = 0; i < add.length; i++)
    ret *= add[i];
return ret;
intsum(int[] arr)
SUM all elements of the specified primitive type array. 
int sum = 0;
for (int i = 0, l = arr.length; i < l; i++) {
    sum += arr[i];
return sum;
longsum(int[] arr)
sum 
long sum = 0;
for (int i : arr) {
    sum += i;
return sum;
intsum(int[] arr)
sum 
int num = 0;
for (int i = 0; i < arr.length; i++) {
    num += arr[i];
return num;
intsum(int[] arr)
sum 
if (arr == null || arr.length == 0)
    return 0;
int l = arr.length;
int res = 0;
for (int i = 0; i < l; i++) {
    res += arr[i];
return res;
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