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Dec 13th, 2019
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  1. public static ArrayList<String> getMultipleNumbers(ArrayList<String> texts){
  2. HashMap<String, Integer> map = new HashMap<>();
  3. for(String s : texts){
  4. if(map.containsKey(s)){
  5. int value = map.get(s);
  6. value += 1;
  7. map.replace(s, value);
  8. } else {
  9. map.put(s, 1);
  10. }
  11. }
  12.  
  13. System.out.println("Napisy powtarzajace sie");
  14. Set<String> ss = map.keySet();
  15. for(Object string : ss.toArray()){
  16. if(map.get((String) string) != 1) System.out.println((String) string + " " + map.get((String)string));
  17. }
  18.  
  19. return new ArrayList<String>();
  20. }
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