Source Code : Find Minimum element of Java HashSet

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Find Minimum element of Java HashSet

      


import java.util.Collections;
import java.util.HashSet;

public class Main {
  public static void main(String[] args) {
    HashSet<Long> hashSet = new HashSet<Long>();

    hashSet.add(new Long("9"));
    hashSet.add(new Long("4"));
    hashSet.add(new Long("2"));
    hashSet.add(new Long("2"));
    hashSet.add(new Long("3"));

    Object obj = Collections.min(hashSet);
    System.out.println("Minimum Element of Java HashSet is : " + obj);
  }
}

   
    
    
    
    
    
  

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