Operator Overloading (7)

Question 1

What is operator overloading?

Answer 1

Allows programmer to supply behavior to code that is usually built in

Question 2

What two operators does the compiler generate a default implementation for?

Answer 2

= and &

Question 3

What does overloading not change?

Answer 3

precedence, associativity, arity, how it works on built in types

Question 4

Does overloading - and = overload -=?

Answer 4

Nope

Question 5

What are two things overloading an operator cannot do?

Answer 5

Create new operator symbols

Change the syntax (% cannot be changed to use 1 operand)

Question 6

When an operator is a member function, how does it access private data?

Answer 6

Friend function

Use accessors/ mutator functions

Question 7

What is the difference between overloading and overriding?

Answer 7

Overloading: multiple function with same name occur in the same scope but with different signatures
Overriding: derived class function has the same name and signature as a base class virtual function (inheritance)