Consider the following code snippet: If the Programmer class inherits from the Employee class, and only the Employee class has an implementation of the increaseSalary method, which statement is correct?
A)The increaseSalary method call will cause a run-time error.
B)The increaseSalary method of the Employee class will be executed.
C)The Programmer class is required to provide an implementation of the increaseSalary method.
D)Programmer objects must be cast to Employee objects before the method call can me made.

Question

Consider the following code snippet:  If the Programmer class inherits from the Employee class, and only the Employee class has an implementation of the increaseSalary method, which statement is correct? 
A)The increaseSalary method call will cause a run-time error. 
B)The increaseSalary method of the Employee class will be executed. 
C)The Programmer class is required to provide an implementation of the increaseSalary method. 
D)Programmer objects must be cast to Employee objects before the method call can me made.

Quizplus · Accepted Answer

Since the Programmer class inherits from the Employee class, it will also have access to all the methods defined in the Employee class, including the increaseSalary method. Thus, when the increaseSalary method is called on a Programmer object, the implementation of the method in the Employee class will be executed.

Consider the Following Code Snippet: If the Programmer Class