public final class StringDuplicateDeleter extends DuplicateDeleter<String> {

    public StringDuplicateDeleter(String[] array){
        super(array);   
    }

    public String[] removeDuplicates(int maxNumberOfDuplications){
        int occurence = 0;
        boolean flag = true;
        String[] revisedArr = this.array;
        while(flag){
            flag = false;            
            for (int i = 0; i < revisedArr.length; i++){               
                for (int j = 0; j < revisedArr.length; j++){                    
                    if (revisedArr[i].equals(revisedArr[j])){
                        occurence++;
                    }                     
                }
                if (occurence >= maxNumberOfDuplications){
                    revisedArr = removeValue(revisedArr, revisedArr[i], occurence); 
                    flag = true;
                }
                occurence = 0;
            }
        }
        return revisedArr;
    }

    public String[] removeDuplicatesExactly(int exactNumberOfDuplications){
        int occurence = 0;
        boolean flag = true;
        String[] revisedArr = this.array;
        while(flag){
            flag = false;            
            for (int i = 0; i < revisedArr.length; i++){               
                 for (int j = 0; j < revisedArr.length; j++){                    
                    if (revisedArr[i].equals(revisedArr[j])){
                        occurence++;
                    }                     
                }
                if (occurence == exactNumberOfDuplications){
                        revisedArr = removeValue(revisedArr, revisedArr[i], occurence); 
                        flag = true;
                }
                occurence = 0;
            }
        }
        return revisedArr;
    }
    
    public  String[] removeValue(String[] array, String valueToRemove, int occurences) {
        int howManyToDelete = occurences;
        String[] revisedArray = new String[array.length - howManyToDelete];
        int index = 0;
        for(String element: array){
            if(element != valueToRemove){
                revisedArray[index] = element;
                index++;
            }
        }
        return revisedArray;
    }

}