new TreeSet < E > () : TreeSet « java.util « Java by API

1. Java by API
2. java.util
3. TreeSet

new TreeSet < E > ()

  
/**
 *Output: 
 [A, B, C, D, E, F]
 */

import java.util.TreeSet;

public class MainClass {
  public static void main(String args[]) {
    TreeSet<String> ts = new TreeSet<String>();

    ts.add("C");
    ts.add("A");
    ts.add("B");
    ts.add("E");
    ts.add("F");
    ts.add("D");

    System.out.println(ts);
  }
}

           
         
    
  

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