Q. Can programs traverse a doubly linked list backward?

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Q. What is a binary tree?

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Q. What advantage do trees have over arrays?

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Q. What are the two pointers usually found in a binary tree item?

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Q. What is the advantage of searching through a binary tree?

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Q. What is a class in object-oriented design?

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Q. Why are classes important in object-oriented languages?

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Q. What is the purpose of the this pointer in a class?

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Q. How is a plain-vanilla class with no inheritance implemented in assembly language?

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Q. What is inheritance in object-oriented programming?

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Q. How does the compiler arrange the classes in memory in an inherited class?

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Q. Why is the layout of an inherited class in memory important?

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Q. What are class methods?

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Q. What is the purpose of the this pointer?

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Q. How do some compilers such as G++ pass the this pointer to a nonvirtual member function?

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Q. What should you check to confirm that a class method call is a regular, nonvirtual call?

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Q. What is the idea behind virtual functions?

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Q. Are virtual function calls runtime features or compile-time features?

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Q. What is a virtual function table?

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Q. What is a VFTABLE pointer?

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