Example usage for Java java.util AbstractSet fields, constructors, methods, implement or subclass
The text is from its open source code.
AbstractSet() Sole constructor. |
boolean | add(E e) Adds the specified element to this set if it is not already present (optional operation). |
boolean | addAll(Collection extends E> c) Adds all of the elements in the specified collection to this set if they're not already present (optional operation). |
boolean | contains(Object o) Returns true if this set contains the specified element. |
boolean | remove(Object o) Removes the specified element from this set if it is present (optional operation). |