• Announce
  • Review of parts of Test
  • Random Quiz #5 due Monday
  • Assignment #4

Chap 6. Sequential Access: Streams & Iterators

• Reference Parameters
  • Arguments NOT copied
  • (Value parameters, used so far, are copied)

  stats3.cc

  stats4.cc

• Text Processing Example
  • Design Issues
  • Moving Functionality to Functions
  • Use of Reference Parameters

  format.cc

  formatwatch.cc

• More Reference Parameters (tricky)

  ref.cc

Chap 7. Class Design and Implementation via Simulation

• Switch Statement

  switch ( expression )

  {

  case constant1:

  statement list;

  break;

  case constant2:

  statement list;

  break;

  ...

  default:

  statement list;

  {

• Frogs that can't make up their minds ...
  • frogwalk.cc

• Random Walks (1-D)
  • Physics
  • Statistical
  • Coin Toss
  • Frog Example
  • Gambling Example

• Random Walk Class
  • walk.h
  • walk.cc

• Random Walks (2-D)
  • Brownian Motion

• Walk Oberver Class (1-D)
  • Concept
  • Implementation
  • Reference Variables

    observer.h

    walko.h

    walko2.cc

    frogwalk3.cc

• Passing a Class by Value/Reference
  • Done for strings many times...

  scopedice.cc

• Other Tools for Designing Classes

• Enumerated Types - Syntax

  enum identifier {value, ..., value};

  enum identifier {value=int, ..., value=int};

• The Coin Class

  flip.cc

  coin.h

  coin.cc

• Initializer Lists - Syntax

  ClassName::ClassName()

  :

  myVar1(argument),

  myVar2(argument),

  ...

  myVarN(argument)

  {// begin constructor body ...

• Structs
  • Similarity to Class
    • All Public, No Private
    • Can Have Member Functions
  • An Aggregate of Dissimilar Types
  • Example (without member functions)

  struct Student

  {

  string name;

  int height; // height in inches

  double weight; // weight in pounds

  string dob; // date of birth mm/dd/yy

  }