Find Minimum element of Java HashSet : HashSet « Collections Data Structure « Java

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Java » Collections Data Structure » HashSet

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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