Classes and Inheritance
In a base -> derived chain, which constructor is called first?
Base constructor
To pass something by reference, what character do you use?
Ampersand/And symbol (&)
What keyword, used along with “new,” frees allocated memory?
delete
What type of container has a dynamic size, and can thus contain any number of elements?
Vector
Meaning “many forms,” what concept describes how functions and operators can have multiple definitions via overloading?
Polymorphism
What does it mean if a function is “pure virtual” compared to just “virtual?”
The function MUST be inherited in a derived class
What is the difference between the heap and the stack?
Stack is fixed memory, heap is shared memory
What keyword creates a block of code that only runs if it’s thrown an error?
catch
What type of object is commonly used with a for loop to increment through a container of objects?
Iterator
Objects that store other objects, like vectors or arrays, are called what?
Containers/Data stores
During protected inheritance, what happens to the base class’s public members?
They become protected
A pointer that points to deallocated memory is called a what?
Dangling pointer
What keyword allows a function to access the private members of a class without being a member of it?
friend
What type of container allows insertion and deletion at both ends?
(Hint: Its name is short for “double-ended queue”)
Deque
The idea of a class containing all its data so it can be treated as a single object is called what?
Encapsulation
What type of inheritance allows a class to inherit from more than one class?
Multiple inheritance
In the line “int* const ptr = 5”, what part of the variable becomes unchangeable?
The address
What keyword suggests the compiler make a copy of a function’s body wherever the function is called?
inline
What type of object is used to to perform operations on containers like sorting, searching, and swapping elements?
Algorithms
What concept describes using templates to give a function or class different behaviors when passed different data types?
Template specialization
What type of error occurs when the compiler can’t choose between two overloaded functions?
Ambiguity error
What operator is used in place of a dot operator to dereference the pointer it’s calling from?
Arrow operator (->)
What keyword makes a class unable to be inherited from?
final
Hey… what does “STL” stand for, anyways?
Standard Template Library
When a derived class is assigned to a base class, the derived class’s extra attributes are cut off. What is this process called?
Slicing