public class CollectionUtil extends Object
Constructor and Description |
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CollectionUtil() |
Modifier and Type | Method and Description |
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static <T> Enumeration<T> |
createEnumerationFromIterator(Iterator<T> it)
Creates an Enumeration out of the given Iterator.
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static <T> T |
first(List<T> list)
Returns the first element of the list, null if the list is null or empty.
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static boolean |
isEmpty(Collection<?> collection)
Whether the given collection is null or has no elements.
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public static <T> Enumeration<T> createEnumerationFromIterator(Iterator<T> it)
T
- it
- public static <T> T first(List<T> list)
T
- list
- public static boolean isEmpty(Collection<?> collection)
collection
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