When a derived class constructor calls its base class constructor,what happens if the base class's constructor does not assign a value to one of its instance variables?
A)a syntax error occurs
B)a compile-time error occurs
C)a run-time error occurs
D)the instance variables are initialized to their default values

Question

Quizplus · Accepted Answer

If the base class's constructor does not explicitly assign a value to an instance variable, then the variable is still initialized to its default value. For example, if the instance variable is an int, it will be initialized to 0. Therefore, there will be no error or issue, and the instance variable will have a valid value.

When a Derived Class Constructor Calls Its Base Class Constructor,what