TreeSet size() Method in Java
The Java.util.TreeSet.size() method is used to get the size of the Tree set or the number of elements present in the Tree set.
Attention reader! Don’t stop learning now. Get hold of all the important Java Foundation and Collections concepts with the Fundamentals of Java and Java Collections Course at a student-friendly price and become industry ready. To complete your preparation from learning a language to DS Algo and many more, please refer Complete Interview Preparation Course.
Parameters: The method does not take any parameter.
Return Value: The method returns the size or the number of elements present in the Set.
Below program illustrates the use of Java.util.TreeSet.size() method:
TreeSet: [4, Geeks, To, TreeSet, Welcome] The size of the set is: 5