AbstractCollection size() Method in Java with Examples
The size() method of Java AbstractCollection is used to get the size of the Collection or the number of elements present in the Collection.
Parameters: The method does not take any parameter.
Return Value: The method returns the size or the number of elements present in the collection.
Below programs illustrates the use of AbstractCollection.size() method:
Collection: [4, Geeks, To, TreeSet, Welcome] The size of the Collection is: 5
Collection:[Geeks, for, Geeks, 10, 20] The size of the Collection is: 5
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