Java Utililty Methods Array Has

List of utility methods to do Array Has

  1. HOME
  2. Java
  3. A
  4. Array Has

Description

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

Method

booleanarrayHas(int[] arr, int val)
Helper method to check if an int array contains an int. 
for (int element : arr)
    if (element == val)
        return true;
return false;
booleanarrayHasContent(Object[] array)
Helper method to determine whether an array has any content. 
if (array != null) {
    for (int i = 0; i < array.length; ++i) {
        if (array[i] != null) {
            return true;
return false;
...
booleanarrayHasContiguousRowEntries(double[] aVector)
Test a vector to see if there is a block of contiguous nonzero values present. 
int nnz = numberOfNonZeroElementsInVector(aVector);
if (nnz == 0) {
    return true;
if (nnz == 1) {
    return true;
int dataStartsAt = 0;
...
booleanarrayHasElements(Object[] obj)
array Has Elements 
if (obj != null && obj.length != 0) {
    for (Object object : obj) {
        if (object != null) {
            return true;
return false;
...
booleanarrayHasTaints(int[] a)
array Has Taints 
for (int i : a)
    if (i != 0)
        return true;
return false;
booleaninArray(byte needle, byte[] haystack)
in Array 
for (byte item : haystack) {
    if (item == needle) {
        return true;
return false;
booleaninArray(byte needle, byte[] haystack)
in Array 
for (byte item : haystack) {
    if (item == needle) {
        return true;
return false;
booleaninArray(char[] array, char c)
in Array 
char[] arr$ = array;
int len$ = array.length;
for (int i$ = 0; i$ < len$; ++i$) {
    char ch = arr$[i$];
    if (ch == c) {
        return true;
return false;
booleaninArray(final String s, final String[] array)
in Array 
for (String item : array) {
    if (item != null && item.equals(s)) {
        return true;
return false;
booleaninArray(final T[] array, final U search)
Check whether the given array contains the given search object. 
for (final T element : array)
    if (search.equals(element))
        return true;
return false;