Test 2 Review

1
Test 2 Review
2
Classes

• What is class? What is object?
• What is the difference between object and class?
  What do we mean when we say object belongs to a
  class?
• Whats member variable? Member function? Method?
  Attribute? Data member?
• Whats an in-line function?
• What are these operators used for? .
• What is the difference between public and private
  members of class?
• What is the state of an object?

3
Classes (cont.)

• What is mutator? Accessor? Hows accessor
  function distinguished?
• What is constructor? Is constructor mutator or
  accessor? What is the name of constructor?
• How many parameters can constructor take? Can
  there be more than one constructor? What is void
  constructor?
• What is the return value of constructor?
• What is destructor?
• What is overloading member functions?

4
More about Classes

• What are static variables and member functions?
• What is a copy constructor? When is it needed?
  How is it used?
• What is a friend function? Why is it needed? How
  is it used?
• What is operator overloading? How is it
  used/implemented? this pointer
• Object conversion
• What is aggregation? How is it implemented in
  source code?

5
Inheritance

• What is inheritance? Why is it used?
• Syntax for specifying inheritance
• Class access specifiers, access vs inheritance
• Use of constructors and destructors with
  inheritance
• Order of constructor and destructor calls for
  single and multiple inheritance
• Redefined functions

6
Polymorphism

• What is polymorphism?
• Virtual functions and their usage
• Dynamic vs static binding
• Usage of pointers and references
• Redefining vs. Overriding
• Virtual destructors
• Abstract classes and pure virtual functions

7
Exceptions

• What are exceptions why are they needed?
• What are try-block? catch-block? What does it
  mean to throw or catch an exception?
• What is the type of an exception?
• What is the default exception? how is it caught?
• Can an object be used to throw an exception? why
  is that useful?
• How can an exception be thrown inside a function
  and caught outside it?
• What are standard exceptions? What standard
  exceptions have we studied?