package TreeSet; import java.util.TreeSet; public class TreeSetDemo7 { public static void main(String[] args) { // Create a TreeSet of String objects. TreeSet ts = new TreeSet<>(); ts.add(10.58f); ts.add(20.78f); ts.add(30.65f); ts.add(40.78f); ts.add(50.98f); ts.add(60.65f); TreeSet ts1 = new TreeSet<>(); ts1.addAll(ts.subSet(20.78f, true, 60.65f, true)); System.out.println("(Sub Set)Elements in the range 20.78 to 40.78 are:" + ts1); System.out.println(ts.subSet(20.78f,true, 40.78f,true)); System.out.println(ts.subSet(20.78f, false, 40.78f, true)); System.out.println(ts.subSet(20.78f, true, 40.78f, false)); } }