Java Utililty Methods Collection Empty

List of utility methods to do Collection Empty

Description

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

Method

booleanisNotEmptyOrNull(Collection collection)
is Not Empty Or Null
return null != collection && !collection.isEmpty();
booleanIsNotEmptyOrNull(Collection elements)
Is Not Empty Or Null
return !collectionIsEmptyOrNull(elements);
booleanisNullOrEmpty(Collection c)
Indique si une collection est null ou vide.
if (c == null) {
    return true;
return c.isEmpty();
booleanisNullOrEmpty(Collection c)
is Null Or Empty
return c == null || c.isEmpty();
booleanisNullOrEmpty(Collection coll)
This method is used to check for the null or empty Collection
if (coll == null || coll.size() == 0)
    return true;
return false;
booleanisNullOrEmpty(Collection collection)
Test a Collection for empty or null.
return collection == null || collection.size() == 0;
booleanisNullOrEmpty(Collection collection)
is Null Or Empty
return ((collection == null) || (collection.isEmpty()));
booleanisNullOrEmpty(Collection col)
Performs a thorough null and empty check.
if ((col == null) || col.isEmpty())
    return true;
else {
    try {
        for (Iterator<?> iterator = col.iterator(); iterator.hasNext();) {
            if (iterator.next() != null) {
                return false;
    } catch (NullPointerException e) { 
        return false;
    return true;
booleanisNullOrEmpty(Collection collection)
is Null Or Empty
return collection == null || collection.isEmpty();
booleanisNullOrEmpty(Collection list)
is Null Or Empty
return list == null || list.size() < 1;