Quiz for this pointer

Q1: What does the "this" pointer in a class refer to?

A. The current object B. A new object C. The class itself D. The base class

Q2: Which type of pointer is "this" in a member function?

A. Constant pointer to current object B. Pointer to a new object C. Null pointer D. Static pointer

Q3: Can "this" pointer be used outside a class?

A. No, only inside non-static member functions B. Yes, anywhere C. Only inside static functions D. Only in global functions

Q4: What is the type of "this" pointer in class Foo?

A. Foo* const B. const Foo* C. Foo* D. const Foo* const

Q5: Why is "this" pointer important in member functions?

A. To refer to the calling object B. To create new objects C. To call static functions D. To refer to base class

Q6: Can "this" pointer be returned from a member function?

A. Yes, commonly used for chaining B. No, not allowed C. Only in constructors D. Only in destructors

Q7: Is "this" pointer available in static member functions?

A. No B. Yes C. Only if passed explicitly D. Only in constructors

Q8: What happens if you try to assign "this" pointer?

A. Compilation error B. It assigns correctly C. Runtime error D. Ignored silently

Q9: In which scenario "this" pointer is implicitly used?

A. Accessing data members when names conflict with parameters B. Calling static members C. Inside global functions D. During inheritance only

Q10: How can "this" pointer help in operator overloading?

A. To refer to the left operand object B. To allocate memory C. To call base class functions D. To ignore the right operand

Q11: Can "this" pointer be used to compare two objects?

A. Yes, by comparing addresses B. No C. Only in constructors D. Only with static members

Q12: Is it valid to return *this from a member function?

A. Yes, to return current object by reference B. No, causes error C. Only in static functions D. Only in constructors

Q13: Which of the following can be achieved using "this" pointer?

A. Method chaining B. Memory allocation C. Garbage collection D. Multiple inheritance

Q14: What does the expression "this->member" mean?

A. Access member of current object B. Access member of base class C. Access static member D. Create a new member

Q15: Can "this" pointer be modified inside a member function?

A. No, it is a constant pointer B. Yes, it can be changed C. Only in constructors D. Only in destructors

Q16: Why might "this" pointer be explicitly used?

A. To avoid ambiguity between members and parameters B. To allocate new memory C. To call static functions D. To delete the object

Q17: What does "this == nullptr" check imply?

A. Invalid in normal member functions B. Object is null C. Static function call D. Object is created

Q18: In which language feature is "this" pointer essential?

A. Dynamic dispatch B. Templates C. Exception handling D. Inline functions

Q19: Can "this" pointer be passed as an argument?

A. Yes B. No C. Only in constructors D. Only in destructors

Q20: Which of these statements about "this" pointer is false?

A. "this" pointer is available in non-static member functions B. "this" pointer points to the current object C. "this" pointer can be assigned to another object D. "this" pointer is a constant pointer