Java Collection retainAll() method The retainAll() method of Java Collection Interface keeps only those elements in this queue that are present in…
clear()
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C++ Vector pop_back() It deletes the last element and reduces the size of the vector by one. Syntax Consider a vector v.Syntax…
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Java Collection toArray() Method The toArray() method of Collection Interface returns an array containing all the elements present in the collection. The…
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Java Collection add() method The add() method of Java Collection Interface inserts the specified element in this Collection. It returns a Boolean…
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Java Collection addAll() method The addAll() method of Java Collection Interface appends or inserts all the elements of the specified collection to…
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Java Collection clear() Method The clear() method of Java Collection Interface removes all of the elements from this collection. It returns a…
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Java Collection containsAll() Method The containsAll() method of Java Collection Interface returns a Boolean value ‘true’, if this collection contains all the…
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Java Collection isEmpty() Method The isEmpty() method of Java Collection Interface returns the boolean value ‘true’ if this collection contains no elements.…
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Python next() Function Python next() function is used to fetch next item from the collection. It takes two arguments an iterator and…
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Python set() Function In python, a set is a built-in class, and this function is a constructor of this class. It is…