isempty()

Java List get() Method The get() method of List interface returns the element at the specified position in this list. Syntax public…

Java List hashCode() Method The hashCode() method of List interface returns the hash code value for this list. Syntax public int hashCode()…

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

Java Collection toArray() Method The toArray() method of Collection Interface returns an array containing all the elements present in the collection. The…

Java Collection add() method The add() method of Java Collection Interface inserts the specified element in this Collection. It returns a Boolean…

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…