Java Utililty Methods Collection Null

List of utility methods to do Collection Null

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Description

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

Method

booleanisEmplyOrNull(Collection collection)
is Emply Or Null 
if (collection == null || collection.size() <= 0) {
    return true;
return false;
booleanisNotNull(Collection collection)
is Not Null 
return !isNull(collection);
booleanisNull(Collection collection)
is Null 
if (collection == null || collection.size() == 0) {
    return true;
return false;
booleanisNull(Collection collection)
is Null 
return collection == null || collection.isEmpty();
booleanisNull(Collection c)
is Null 
return null == c;
booleanisNull(Collection collection)
Determines whether or not an Collection contains only null elements. 
return collection.stream().allMatch(e -> e == null);
booleanisNull(Collection collection)
is Null 
if (collection == null || collection.isEmpty()) {
    return true;
return false;
booleanisNull(Collection collection)
Returns true if the collection is null or empty 
return ((collection == null) || (collection.isEmpty()));
CollectionnullSafe(Collection collection)
null Safe 
return collection == null ? Collections.emptyList() : collection;
CollectionnullSafe(Collection collection)
null Safe 
return collection == null ? Collections.<T>emptyList() : collection;