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Feb 24th, 2020
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  1. public void countSameNumbers(int[] b, int n) {
  2.  
  3. Map<Integer, Integer> values = new HashMap();
  4. //
  5. // for(int i = 0; i < n; i++) {
  6. //
  7. // if(values.containsKey(b[i])) {
  8. // values.put(b[i], values.get(b[i]) + 1);
  9. // } else {
  10. // values.put(b[i], 1);
  11. // }
  12. // }
  13. for (int i = 0; i < n; i++){
  14. values.put(b[i],values.getOrDefault(b[i],0) + 1);
  15. }
  16.  
  17. for (Map.Entry<Integer, Integer> entry : values.entrySet()) {
  18. System.out.println(entry.getKey() + " " + entry.getValue());
  19. }
  20. }
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