CR-MesoLabs-OOP-DuplicateDeleter-BlueJ/IntegerDuplicateDeleter.java

public class IntegerDuplicateDeleter extends DuplicateDeleter<Integer>{
    StringBuilder valuesToKeep = new StringBuilder();

    public IntegerDuplicateDeleter(Integer[] array){
        super(array);
    }

    public Integer[] removeDuplicates(int maxNumberOfDuplications){
        resetStringBuilder();
        for(int i=0; i<=array.length-1; i++){
            //if the number of occurrences is less than the max number of duplicates
            if(getNumberOfOccurrences(array[i]) < maxNumberOfDuplications){
                //then save the value to values to remove array and increase total dups by 1
                setValuesToKeep(String.valueOf(array[i]));
            }
        }
        return convertStringArrToIntegerArr();
    }

    public Integer[] removeDuplicatesExactly(int exactNumberOfDuplications){
        resetStringBuilder();
        for(int i=0; i<=array.length-1; i++){
            if(getNumberOfOccurrences(array[i]) != exactNumberOfDuplications){
                setValuesToKeep(String.valueOf(array[i]));
            }
        }
        return convertStringArrToIntegerArr();
    }

    public int getNumberOfOccurrences(int value){
        int numberOfOccurrences = 0;
        for (int element : array){
            if(element ==value){
                numberOfOccurrences++;
            }
        }
        return numberOfOccurrences;
    }

    public void resetStringBuilder(){
        valuesToKeep.delete(0,valuesToKeep.length());
    }
    
    public void setValuesToKeep(String value){
        valuesToKeep.append(value + ",");
    }

    public String[] getValuesToKeep(){
        String tempString = valuesToKeep.toString();
        String[] valuesToKeepArray = {};
        if(tempString.length()<1){
            return valuesToKeepArray;
        }
        valuesToKeepArray = tempString.split(",");
        return valuesToKeepArray;
    }

    public Integer[] convertStringArrToIntegerArr(){
        String[] stringValuesToKeepArray = getValuesToKeep();
        Integer[] valuesToKeepArray = new Integer [stringValuesToKeepArray.length];
        for (int i=0; i<stringValuesToKeepArray.length; i++){
            valuesToKeepArray[i] = Integer.parseInt(stringValuesToKeepArray[i]);
        }
        return valuesToKeepArray;
    }
}