Week 3 - Top-Down Design with Classes

During the third week we continue with Chapter 3 of Friedman & Koffman, in which they introduce Object Oriented Programming (OOP) with the string class. At this stage we would like you to concentrate on writing user defined classes, and not just use the classes provided by the system. Thus we have provided a web page supplement Introduction to Object Oriented programming which is the main required reading for this week. In this supplement we have used Friedman & Koffman's case study on computing the weight of a batch of washers (Section 3.1 - pg 107) and modified it, first in terms of a function, and then in terms of a class. Be sure to read and understand this supplement before continuing.

The various relevant programs for this week have been loaded onto condor. After logging in, change directory to the week3 directory and list the various files as follows:

cd /home/condor/et181/week3
ls

• washers.cpp - computing the weight of a batch of washers (p.107)
  washersf.cpp - modifying washers.cpp to include a function
  squareRoot.cpp - using the sqrt(x) function in the <cmath> library. (p.114)
  
• Object Oriented Programming
  floorArea.cpp - introducing oop
  stringOperations.cpp - illustrates string operations (p.144)
  washersClass.cpp - modifying washersf.cpp to include a class
  moreWashers.cpp - augmenting washersClass.cpp with more objects
  
• Lab3:
  lab3-triangle - finding the area of a triangle using Heron's method
  
• epsilon.cpp - <cfloat> the smallest (FLT_EPSILON) and largest (FLT_MAX) float values
  
• Pendulum - the paradigm for our program exercise sequence
  gfun.cpp - detemine the local acceleration due to gravity from a pendulum experiment
  gfun1.cpp, gfun1.h - separating gfun.cpp into a .cpp (dot-cpp) and a .h (dot-h) file

Note that before modifying or compiling, or printing any example in the week3 directory, you will first need to copy that example to your home directory, and return to your home directory as in the following example:

cp floorArea.cpp ~
cd

Telnet: "condor"