Treeset

Hashing/treeSet.java

@@ -0,0 +1,28 @@
+package Hashing;
+import java.util.*;
+public class treeSet {
+    public static void main(String[] args) {
+        HashSet<String>Cities=new HashSet<>();
+        Cities.add("Delhi");
+        Cities.add("Mumbai");
+        Cities.add("Noida");
+        Cities.add("Nagpur");
+        System.out.println(Cities);
+        System.out.println();
+        LinkedHashSet<String>lhs=new LinkedHashSet<>();
+        lhs.add("Delhi");
+        lhs.add("Mumbai");
+        lhs.add("Noida");
+        lhs.add("Nagpur");
+        System.out.println(lhs);
+        System.out.println();
+        TreeSet<String>ts=new TreeSet<>();
+        ts.add("Delhi");
+        ts.add("Mumbai");
+        ts.add("Noida");
+        ts.add("Nagpur");
+        System.out.println(ts);
+    }
+}
+//sorted in ascending order
+//null values not allowed