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  1. import java.util.HashSet;
  2. public class Main
  3.  
  4. {
  5.  
  6. public static void main(String[] args)
  7. {
  8.  
  9. HashSet<String> hashSet = new HashSet<>();
  10. hashSet.add("OPUS");
  11. hashSet.add("Life");
  12. hashSet.add("is");
  13. hashSet.add("Life");
  14. System.out.println(hashSet) ;
  15.  
  16. }
  17. }
Success #stdin #stdout 0.12s 54652KB
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[Life, OPUS, is]
https://ideone.com/f0llo0
language:
Java (HotSpot 12)
created:
5 days ago
visibility:
public

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