A TreeSet is a class that implements the Set interface in Java. It is part of the java.util package and provides a collection of unique elements that are automatically sorted in their natural order, ...

package lec22_java_set; import java.util.Set; import java.util.TreeSet; public class Set_02_use_of_treeSet { public static void main (String [] args) { // creating TreeSet--generic<String> Set<String> ...