public final class StringDuplicateDeleter extends DuplicateDeleter<String> {
    public StringDuplicateDeleter(String[] array){
        super(array);

    }

    private int countOccurrence(String target){
        int occurrences = 0;
        for(String nextOne : array){
            if(nextOne.equals(target)){
                occurrences ++;
            }
        }
        return occurrences;
    }

    public String[] removeDuplicatesExactly(int exactNumberOfDuplications){
        String[] newArray =new String[array.length];
        int newArrayIndex= 0;
        //go through each element in the array
        for(String nextWord : array) {
            int occurance = countOccurrence(nextWord);
            if(occurance != (exactNumberOfDuplications)) {
                newArray[newArrayIndex] = nextWord;
                newArrayIndex++;
            }
        }
        //count occurrance
        String[] finalArray = new String[newArrayIndex];
        System.arraycopy(newArray, 0, finalArray, 0, newArrayIndex);
        return finalArray;
    }
    
    public String[] removeDuplicates(int maxNumberOfDuplications){
       String[] newArray =new String[array.length];
        int newArrayIndex= 0;
        //go through each element in the array
        for(String nextWord : array) {
            int occurance = countOccurrence(nextWord);
            if(occurance < maxNumberOfDuplications) {
                newArray[newArrayIndex] = nextWord;
                newArrayIndex++;
        }
       }
        //count occurrance
        String[] finalArray = new String[newArrayIndex];
        System.arraycopy(newArray, 0, finalArray, 0, newArrayIndex);
        return finalArray;
    }

}