Java Utililty Methods List Null Empty

List of utility methods to do List Null Empty

  1. HOME
  2. Java
  3. L
  4. List Null Empty

Description

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

Method

voidaddAllExceptNullValue(List list, V[] values)
add All Except Null Value 
if (values == null) {
    return;
for (V value : values) {
    addIfValueNotNull(list, value);
booleanaddAllIfAllValuesNotNull(List list, V[] values)
add All If All Values Not Null 
if (values == null) {
    return false;
for (V value : values) {
    if (value == null) {
        return false;
for (V value : values) {
    list.add(value);
return true;
booleanaddIfNotNull(final List list, final T value)
Adds to List if value is not null. 
return value != null ? list.add(value) : false;
ListaddIfNotNull(List l, T o)
Add a value to a list if the value is not null. 
if (o != null)
    l.add(o);
return l;
booleanaddIfValueNotNull(List list, V value)
add If Value Not Null 
if (value == null) {
    return false;
return list.add(value);
ListaddIgnoreNull(final List list, final T... objects)
Adds the ignore null. 
if (objects == null)
    return list;
for (final T object : objects)
    if (object != null)
        list.add(object);
return list;
booleanaddListNotNullValue(List sourceList, V value)
add List Not Null Value 
return (sourceList != null && value != null) ? sourceList.add(value) : false;
voidaddNonEmpty(List list, String value)
add Non Empty 
if (!isBlank(value)) {
    list.add(value.trim());
ListaddNotNull(List list, T t)
add Not Null 
if (t != null)
    list.add(t);
return list;
intcountIgnoreNull(List list)
count Ignore Null 
int cnt = 0;
for (Object i : list)
    if (i != null)
        cnt++;
return cnt;