Why do you not get an undefined reference in virtual table error when you don't define a pure virtual function?
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Q20: The base class destructor must be virtual.
Q21: Write a program where the destructors should
Q22: Write a short program that shows how
Q23: Write a class having a public pure
Q24: What is the error?
class B
{
public:
virtual void f();
};
virtual
Q26: In C++,a virtual destructor is invoked whenever
Q27: If the override specifier is added to
Q28: Suppose each of the base class and
Q29: Redefining and overriding are exactly the same
Q30: Is there an error?
class B
{
public:
void virtual f();
};
void
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