Java Utililty Methods Array Empty Check

List of utility methods to do Array Empty Check

  1. HOME
  2. Java
  3. A
  4. Array Empty Check

Description

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

Method

booleanareArraysEqual(byte[] arr1, byte[] arr2, boolean dontDistinctNilAndEmpty)
are Arrays Equal 
if (!dontDistinctNilAndEmpty)
    return Arrays.equals(arr1, arr2);
if (arr1 == null || arr1.length == 0)
    return arr2 == null || arr2.length == 0;
return Arrays.equals(arr1, arr2);
Object[][]getNonemptySubsets(Object[] objects)
Gets all non-empty subsets of the given array of objects. 
Object[][] subsets = getAllSubsets(objects);
Object[][] nonempty = new Object[subsets.length - 1][];
for (int i = 0; i < nonempty.length; i++)
    nonempty[i] = subsets[i + 1];
return nonempty;
String[]getWithoutEmptyParams(String[] cmdarray)
get Without Empty Params 
if (cmdarray == null) {
    return null;
ArrayList<String> list = new ArrayList<String>();
for (String string : cmdarray) {
    if (string != null && string.length() > 0) {
        list.add(string);
return list.toArray(new String[list.size()]);
booleanhasOneEmpty(String[] args)
has One Empty 
if (args == null)
    return false;
for (int i = 0; i < args.length; i++) {
    if (isEmpty(args[i]))
        return true;
return false;
booleanisEmpty(boolean[] values)
is Empty 
return values == null || values.length == 0;
booleanisEmpty(byte[] array)
is Empty 
byte[] empty = new byte[array.length];
return Arrays.equals(array, empty);
booleanisEmpty(E[] array)
is Empty 
return (array == null || array.length == 0);
booleanisEmpty(final int[] arr)
is Empty 
return arr.length == 0;
booleanisEmpty(final Object[] array)
Is the given array null or empty ? 
return array == null || array.length == 0;
booleanisEmpty(final X[] array)
is Empty 
return (isNull(array) || 0 == array.length);