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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. public static void main (String[] args) throws java.lang.Exception
  11. {
  12. // List<String> userNamesList = new ArrayList<String>();
  13. String userNames[] = {"hello", "world", "this", "is", "an", "hello","world", "copy list", "example"};
  14. List<String> userNamesList = Arrays.asList(userNames);
  15. //////////////////////////////////////////////
  16. //code to see
  17. Set set = new HashSet(userNamesList);
  18. List<String> list = new ArrayList(set);
  19. ////////////////////////////////
  20.  
  21.  
  22. for (String temp : list){
  23. System.out.println(temp);
  24. }
  25.  
  26. }
  27. }
Success #stdin #stdout 0.04s 2184192KB
stdin
Standard input is empty
stdout
world
this
is
copy list
hello
an
example