Android Utililty Methods Collection Empty Check

List of utility methods to do Collection Empty Check

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Description

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

Method

booleanisEmpty(Collection c)
is null or its size is 0 
 isEmpty(null)   =   true; isEmpty({})     =   true; isEmpty({1})    =   false; 
return (c == null || c.size() == 0);
booleanisEmpty(final Collection collection)
is Empty 
if (collection == null) {
    return true;
return collection.isEmpty();
booleanisNotEmpty(Collection collection)
Checks if provided Collection is null and not empty. 
return (collection != null && collection.size() > 0);
booleanisNotEmpty(Collection list)
is Not Empty 
return !isEmpty(list);
booleanisNotNull(Collection coll)
is Not Null 
return !isNull(coll);
booleanisNotNull(Collection collection)
is Not Null 
if (collection != null && collection.size() > 0) {
    return true;
return false;
booleanisNull(Collection coll)
is Null 
if (coll == null) {
    return true;
if (coll.size() == 0) {
    return true;
return false;
booleanisNullOrEmpty(Collection collection)
is Null Or Empty 
if (collection == null || collection.isEmpty()) {
    return true;
return false;
booleanisEmpty(Collection collection)
Is the provided collection null or empty? 
return collection == null || collection.isEmpty();
booleanisEmpty(Collection collection)
* 
return null == collection || collection.isEmpty();