To get the Tail Set from TreeSet, use the tailSet() method. Tail Set begins from a point and returns the elements greater than the element set in the beginning.
First, create a TreeSet and add elements −
TreeSet<String> set = new TreeSet<String>(); set.add("78"); set.add("56"); set.add("88"); set.add("54"); set.add("76"); set.add("34");
Now, get the Tail Set −
SortedSet sorted = set.tailSet("56");
The following is an example to get Tail Set from TreeSet −
import java.util.*; public class Demo { public static void main(String args[]){ TreeSet<String> set = new TreeSet<String>(); set.add("78"); set.add("56"); set.add("88"); set.add("54"); set.add("76"); set.add("34"); System.out.println("TreeSet elements..."); Iterator<String> i = set.iterator(); while(i.hasNext()){ System.out.println(i.next()); } SortedSet sorted = set.tailSet("56"); System.out.println("TailSet = " + sorted); } }
TreeSet elements... 34 54 56 76 78 88 TailSet = [56, 76, 78, 88]