import java.util.Arrays;

public class StringDuplicateDeleter extends DuplicateDeleter<String> {

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

    public String[] removeDuplicates(int maxNumberOfDuplications) {
        String[] answer = new String[array.length];
        int answerIndex = 0;
        for(int i = 0; i < array.length; i++){
            Integer occurances = getApperances(array[i]);
            if(occurances < maxNumberOfDuplications){
                answer[answerIndex] = array[i];
                answerIndex++;
            }
        }
        String[] realAnswer = Arrays.copyOf(answer, answerIndex);
        return realAnswer;
    }

    public String[] removeDuplicatesExactly(int exactNumberOfDuplications) {
        String[] answer = new String[array.length];

        int answerIndex = 0;

        for(int i = 0; i < array.length; i++){
            Integer occurances = getApperances(array[i]);
            if(occurances < exactNumberOfDuplications || occurances > exactNumberOfDuplications){
                answer[answerIndex] = array[i];
                answerIndex++;
            }
        }

        String[] realAnswer = Arrays.copyOf(answer, answerIndex);


        return realAnswer;
    }

    public int getApperances(String value){
        int appearances = 0;
        for(String element : array){
            if(element.equals(value)){
                appearances++;
            }
        }
        return appearances;
    }
}