public class IntegerDuplicateDeleter extends DuplicateDeleter<Integer>{
    
    public IntegerDuplicateDeleter(Integer[] array) {
        super(array);
    }
  
    public Integer[] removeDuplicates(int maxNumberOfDuplications) {
        StringBuilder sb = new StringBuilder();
        
        
        
        for (int i = 0; i < array.length; i++) {
            
            if(getCount(array[i]) < maxNumberOfDuplications){
                
                sb.append((array[i]) + " ");
            }
        }
         String arrString = sb.toString();
         String [] arrPlus = arrString.split(" ");
         Integer[] newArr = new Integer[arrPlus.length];
         
         for (int i = 0; i < newArr.length; i++) {
              try {newArr[i] = Integer.parseInt(arrPlus[i]);}
              catch (NumberFormatException e){}
            }
        
            Integer[] empty = new Integer[]{};
            
         if (newArr.length == 1 && newArr[0] == null) {
             return empty;
            } else { return newArr;}
        
          
    }
    
    public Integer[] removeDuplicatesExactly(int exactNumberOfDuplications) {
        StringBuilder sb = new StringBuilder();
        
        String tester = array.toString();
        
        for (int i = 0; i < array.length; i++) {
            
            if(getCount(array[i]) < exactNumberOfDuplications || getCount(array[i]) 
            > exactNumberOfDuplications) {
                
                sb.append((array[i]) + " ");
            }
        }
         String arrString = sb.toString();
         String [] arrPlus = arrString.split(" ");
         Integer[] newArr = new Integer[arrPlus.length];
         
         for (int i = 0; i < newArr.length; i++) {
              try {newArr[i] = Integer.parseInt(arrPlus[i]);}
              catch (NumberFormatException e){}
            }
        
            Integer[] empty = new Integer[]{};
            
         if (newArr.length == 1 && newArr[0] == null) {
             return empty;
            } else { return newArr;}
        
        
    }

    
    private int getCount (Integer value){
        int count = 0; 
        
        
        for (Integer e : array){
            
            if (e == value) {
                
                count++;
            
            }
        }
        return count;
    }
}