Add elements in TreeSet

We can use add() and addAll() method of TreeSet to add elements to TreeSet boolean add(Object obj) It adds the element obj to the TreeSet. Example import java.util.*; public class TreeSetAddExample { public static void main(String args[]) {   TreeSet<String> ts = new TreeSet<String>();   ts.add(“java”); ts.add(“c”); ts.add(“c++”); System.out.println(ts); } } import java.util.*; public class […]

Share this article on