Java Utililty Methods List Remove Null Value

List of utility methods to do List Remove Null Value

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Description

The list of methods to do List Remove Null Value are organized into topic(s).

Method

voidremoveNull(Collection list)
remove Null 
if (list == null || list.size() == 0) {
    return;
Iterator<Object> iter = list.iterator();
while (iter.hasNext()) {
    if (iter.next() == null) {
        iter.remove();
voidremoveNull(final List list)
remove Null 
boolean removed = list.remove(null);
while (removed) {
    removed = list.remove(null);
ListremoveNull(List list)
remove Null 
List nullFreeList = new ArrayList();
for (int i = 0; i < list.size(); i++) {
    if (list.get(i) != null) {
        nullFreeList.add(list.get(i));
return nullFreeList;
ListremoveNullableItems(List exceptIds)
remove Nullable Items 
List<Long> exceptPermissionIds;
if (exceptIds == null) {
    exceptPermissionIds = null;
} else {
    exceptPermissionIds = new ArrayList<Long>();
    for (Long exceptId : exceptIds) {
        if (exceptId != null) {
            exceptPermissionIds.add(exceptId);
...
ListremoveNullAndDuplicates(List list)
remove Null And Duplicates 
list.removeAll(Collections.singletonList(null));
Set set = new LinkedHashSet(list);
return new ArrayList(set);
ListremoveNullElement(List source)
Removes all of the 'null' elements in a list, recursively. 
if (!containsNullElement(source))
    return source;
while (source.contains(null)) {
    source.remove(null);
return source;
ListremoveNullElements(List list)
remove Null Elements 
List newList = new ArrayList(list.size());
for (Object element : list) {
    if (element != null) {
        newList.add(element);
return newList;
voidremoveNullFromList(List list)
remove Null From List 
list.removeAll(Collections.singleton(null));
voidremoveNulls(Collection list)
remove Nulls 
for (Iterator<T> iter = list.iterator(); iter.hasNext();) {
    T e = iter.next();
    if (e == null)
        iter.remove();
ListremoveNulls(final List list)
Removes all null elements from list. 
if (list == null) {
    return null;
for (int i = list.size() - 1; i >= 0; i--) {
    if (list.get(i) == null) {
        list.remove(i);
return list;