interface ConflictedData{
    public void repair();
}

class StringConflictedData : ConflictedData {
    public void repair(){
        //do some shit
    }
}

class DateConflictedData : ConflictedData {
    public void repair(){
        //do some other shit
    }
}

static class ConflictedDataFactory{
    public static ConflictedData getConflictedData(String type){
        if (type.equals("String"))
            return new StringConflictedData();
        if (type.equals("Date"))
            return new DateConflictedData();
    }
}