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dolphi86 [110]
3 years ago
15

Which of the following is true regarding the use of instance variable j in class B1?

Computers and Technology
1 answer:
melisa1 [442]3 years ago
6 0

Answer: A) It is directly accessible only in B1

Explanation: In the given chunk of code, Class B1 is a base class. Class B2 is derived class of class B1. Class B3 is derived class of B2. As you can see class B1 has two members or instance variables i and j. Instance variable cannot be directly accessible by both B2 and B3. If you see this statement of the given code  private int j; the keyword private is used with the variable j. This keyword is called access specifier. Access specifiers specifies how the members of a class can be accessed. These members are attributes and methods of that class. Any member of a class that are declared private cannot be inherited by derived classes of that class.  Additionally these private members cannot be accessed from within any method inside derived class. So j is directly accessible only in B1. You can access a private instance variable from within the same class or can access  it through the methods of class.

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