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

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

new HashSet < E > ()

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

import java.util.HashSet;

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

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

    System.out.println(hs);
  }
}

           
         
  

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