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  1. import java.util.*;
  2. import java.lang.*;
  3.  
  4. class Main
  5. {
  6.     public static void main (String[] args) throws java.lang.Exception
  7.     {
  8.         ArrayList<Integer> d = new ArrayList<Integer>();
  9. d.add(2);
  10. d.add(4);
  11. d.add(5);
  12. d.add(7);
  13. d.add(8);
  14. d.add(9);
  15.  
  16. d.add(3);
  17. d.add(7);
  18.  
  19.  
  20. // this will remove all duplicates
  21. Set setNew = new HashSet(d);
  22.  
  23.     System.out.print(setNew);
  24.     }
  25. }
Success #stdin #stdout 0.03s 245632KB
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[2, 3, 4, 5, 7, 8, 9]
https://ideone.com/3iOSS5
language:
Java (HotSpot 12)
created:
11 years ago
visibility:
public

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