iterator

Java Collection addAll() method The addAll() method of Java Collection Interface appends or inserts all the elements of the specified collection to…

Java Collection clear() Method The clear() method of Java Collection Interface removes all of the elements from this collection. It returns a…

Java Collection containsAll() Method The containsAll() method of Java Collection Interface returns a Boolean value ‘true’, if this collection contains all the…

Java Collection isEmpty() Method The isEmpty() method of Java Collection Interface returns the boolean value ‘true’ if this collection contains no elements.…

Java Collection remove() Method The remove() method of Java Collection Interface is used to remove a single instance of the specified element…

Java Collection removeAll() Method The removeAll() method of Java Collection Interface only removes those elements of the Collection that are contained in…

Java Collection retainAll() method The retainAll() method of Java Collection Interface keeps only those elements in this queue that are present in…

Java HashSet clone() Method The clone() method of Java HashSet class is used to return a shallow copy of the specified HashSet.…

Java HashSet isEmpty() Method The isEmpty() method of Java HashSet class is used to check wheather HashSet contains an element or not.…

Java HashSet iterator() Method The iterator() method of Java HashSet class is used to return an iterator of the same elements as…