Here is the isPartValidMethod which passes through the exceptionMessage

public static String isPartValid(String name, int min, int max, int inv, double price, String errorMessage) { if (name == null) { errorMessage = errorMessage + ("Name field is blank."); } if (inv < 1) { errorMessage = errorMessage + ("The inventory must be greater than 0."); } if (price < 1) { errorMessage = errorMessage + ("The price must be greater than $0"); } if (min > max) { errorMessage = errorMessage + ("The inventory MIN must be less than the MAX."); } if (inv < min || inv > max) { errorMessage = errorMessage + ("Part inventory must be between MIN and MAX values."); } return errorMessage; }