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Chapter 13: Problem 3

What is the default access specification of class members?

Short Answer

Expert verified
Answer: The default access specifier for class members in object-oriented programming is "default" access, which generally implies access within the same package in languages like Java and access within the class and its derived/sub-classes in C++.

Step by step solution

01

Understand access specifiers

Access specifiers in object-oriented programming languages are used to set the boundaries for the visibility and accessibility of class members (i.e., variables, methods, and inner classes). These access specifiers help in maintaining encapsulation and data hiding within classes, making it easier to manage the code.
02

Identify the types of access specifiers

There are typically four types of access specifiers, depending on the programming language: 1. Public: Members declared as public are accessible from any part of the program. 2. Private: Private members are only accessible within the class they are declared and not visible outside that class. 3. Protected: Protected members are accessible within the same class and its derived/sub-classes (inheritance). 4. Default: If no access specifier is defined explicitly, then the class members are considered to have default access.
03

Determine the default access specifier for class members

When no access specifier is specified for class members, they have the "default" access. In this context, default access means the members are visible within the same package in languages like Java, and in C++, it's equivalent to private access within the class and its derived/sub-classes only.
04

Conclusion

The default access specification for class members in object-oriented programming is "default" access, which generally implies access within the same package in languages like Java and access within the class and its derived/sub-classes in C++.

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