Java java.util Collection Null Element

Java examples for java.util:Collection Null Element

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Description

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  1. Returns the single element contained in a collection or a null if the collection is null or empty.
  2. Check if Collection has At Least One Not Null Element
  3. remove Null Element from Collection
  4. get First Non Null element from a Collection
  5. get First element from Collection Or Null
  6. Adds an element to the collection unless the element is null.
  7. Checks whether the COLLECTION is not NULL and has at least one element.
  8. Get size of Collection and NullPointerException safe


  9. Removes nulls from provided collection.
  10. Populates the given collection by replacing any existing contents with the given elements, in a null-safe way.
  11. Return first duplicate value that is not null, or null if there is no such value.