How does the virtual base class resolve the diamond problem in C++?
- By preventing multiple copies
- By duplicating base class
- By altering access specifiers
- By overloading functions
The diamond problem arises in C++ multiple inheritance when one class inherits from two classes that have a common base class. This can lead to ambiguity regarding which base class member should be accessed. The "virtual" keyword before the base class prevents the compiler from creating multiple instances of the base class, thus resolving the diamond problem.
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