Which group of classes is poorly designed?

What object oriented programming concept can often be used to eliminate explicit type tests?

Consider the following code snippet: anEmployee = Programmer() anEmployee.increaseSalary(2500) If the Programmer class inherits from the Employee class, and both classes have an implementation of the increaseSalary method with the same set of parameters, which statement is correct?

What would be the inhertiance relationships between classes Apples, Pears, and Fruit?

If a method in a subclass carries out the action of the superclass method and also does some additional work then the method in the subclass is said to ____________________ the functionality of the superclass method.

Consider the following code segment: class Fruit: def __init__(self, name: str) -> None : . . . class Apple : def __init__self(self, name: str) -> None : . . . Which statement successfully creates a new Apple object?

Identify the subclass and superclass in the following code segment: class ChoiceQuestion(Question) : def __init__(self) -> None : . . .

Consider the following code segment: class Employee : def __init__(self, name: str) -> None: . . . def getSalary(self) : . . . . . . class Programmer(Employee) : def __init__(self, name: str) -> None: . . . def writeProgram(self) : . . . Which of the following code segments is not legal?

Consider the following task hierarchy — representing some unit of work to be completed. class Task:    def __init__(self, label: str) -> None:        self._label = label     def cost(self) -> int:        raise NotImplementedError(“bad”) class FixedTask(Task):    def __init__(self, label: str, minutes: int) -> None:        super().__init__(label)        self._minutes = minutes     def cost(self) -> int:        return self._minutes * 2     def __repr__(self) -> str:        return f”FixedTask(label={self._label}, cost={self.cost()})” def main() -> None:    items: list[Task] = [ FixedTask(“x”, 10), FixedTask(“y”, 3) ]    for t in items:        print(t) main() What prints?

Consider the following code snippet: aVehicle = Auto() aVehicle.moveForward(200) If the Auto class inherits from the Vehicle class, and both classes have an implementation of the moveForward method with the same set of parameters, which statement is correct?