import java.util.TreeSet;
public class AddMethod {
public static void main(String[] args) {
// TODO Auto-generated method stub
TreeSet<String> ts1 = new TreeSet<>();
ts1.add("A");
ts1.add("D");
ts1.add("B");
ts1.add("A");
ts1.add("E");
ts1.add("F");
ts1.add("D");
ts1.add("B");
System.out.println("Full-List (Duplicate Not Allowed && Maintain Ascending Order in TreeSet) : "+ts1);
TreeSet<String> ts2 = new TreeSet<>();
ts2.addAll(ts1);
ts2.add("One");
ts2.add("Two");
ts2.add("Five");
System.out.print("Full-List (Duplicate Not Allowed && Maintain Ascending Order in TreeSet) : "+ts2);
}
}
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