size()

C++ Vector end() This function returns an iterator referring to the past-last-element in the vector container. Syntax Consider a vector v. Syntax…

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 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.…

C++ Vector size() It determines the number of elements in the vector. Syntax Consider a vector ‘v’ and number of elements ‘n’.…

Java HashSet contains() Method The contains() method of Java HashSet class is used to check if this HashSet contains the specified element…

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

Java HashSet remove() Method The remove() is a method of Java HashSet class which removes the specified element from this set if…