HashSet implementation of set : HashSet « Collections Data Structure « Java

1. Java
2. Collections Data Structure
3. HashSet

HashSet implementation of set

      

import java.util.HashSet;
import java.util.Set;

public class FindDups {
  public static void main(String[] args) {
    Set<String> s = new HashSet<String>();
    for (String a : args)
      if (!s.add(a))
        System.out.println("Duplicate detected: " + a);

    System.out.println(s.size() + " distinct words: " + s);
  }
}

   
    
    
    
    
    
  

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