In-class Examples List

CIS 130
Intro to Programming
Spring 2010

• This is merely a selection of files and examples, most of which were mentioned or used in the class (lectures and labs). It is not a comprehensive list, nor are all lectures and labs included. Formatting is generally minimal.

• Week 15, Monday, May 3, 2010 - C++ switch statement, intro to C++ fstream file input/output (and bonus formatting examples)
  • in-class projections
  • grade_msg_if_version.cpp - version of function grade_msg using if-else-if
  • grade_msg.cpp - version of function grade_msg using switch
  • grade_msg.h , grade_msg_ck_expect.cpp - header file and testing main usable for either version above
  • write_to_looky.h , write_to_looky.cpp , write_to_looky_test.cpp - example of writing to a file
  • sum_from_file.h , sum_from_file.cpp , sum_from_file_ck_expect.cpp - example of reading from a file
  • setw_play.h , setw_play.cpp , setw_play_ck_expect.cpp - example of using setw to specify how wide a field to output a value in
  • precision_play.h , precision_play.cpp , precision_play_ck_expect.cpp - example of formatting to a specific number of fractional places
  
  
• Week 14, Wednesday, April 28, 2010 - output parameter/pass-by-reference parameter examples; example of debugging couts
  • in-class projections
  • from debugging cout example:
    buggy_get_max.cpp - buggy function we started with;
    couted_get_max.cpp - buggy version with debugging couts added;
    final_get_max.cpp - corrected function with debugging couts removed.
  • get_full_names.h , get_full_names.cpp , get_full_names_ck_expect.cpp - first example - demonstrating C++ pass-by-reference parameter passing for output parameters
  • sum_plus_avg.h , sum_plus_avg.cpp , sum_plus_avg_ck_expect.cpp - second example - demonstrating C++ pass-by-reference parameter passing for output parameters
  
  
• Week 14, Monday, April 26, 2010 - input parameters, output parameters, and input/output parameter; parameters passing: pass-by-value and pass-by-reference
  • in-class projections
  • swap.h , swap.cpp , swap_ck_expect.cpp - a classic swap function to demonstrate C++ pass-by-reference parameter passing
  
  
• Week 13, Wednesday, April 21, 2010 - introduction to arrays
  • in-class projections
  • first array function example: function sum_array: sum_array.h, sum_array.cpp, and the testing function sum_array_ck_expect.cpp
  • second array function example: function show_strings: show_strings.h, show_strings.cpp, and the testing function show_strings_ck_expect.cpp
  
  
• Week 13, Monday, April 19, 2010 - more repetition: counting the number seen in a sentinel-controlled loop, finding the maximum value seen, counting how many of a particular kind of value seen; "question"-based loop; a loop that is neither count-controlled, sentinel-controlled, or "question"-based; also generating a flaky random-ish number in C++
  • in-class projections
  • working version of the correctly-structured sentinel-controlled-loop from the clicker question: answer3.cpp
  • sentinel-controlled-loop example that counts the number of ratings given and determines the maximum rating entered: spicy_sentinel2.cpp
  • sentinel-controlled-loop example that also counts how many toddler-level ratings are given: spicy_sentinel3.cpp
  • "question"-based loop asking for Scoville ratings and giving the minimum appropriate audience level of each: spicy_ask.cpp
  • a loop that is neither count-controlled, sentinel-controlled, or "question"-based; also generating a flaky random-ish number in C++: guess.cpp
  • used in spicy programs above: spiciness_level.h, spiciness_level.cpp, and the testing function spiciness_level_ck_expect.cpp
  
  
• Week 12, Wednesday, April 14, 2010 -- more repetition: practice writing count-controlled loops, introduction to sentinel-controlled loops
  • in-class projections
  • Week 12 Lab Exercise (in tagged PDF)
  • example solution for lab exercise: spicy_count.cpp
  • basic-sentinel-flow-chart.pdf - flowchart for classic sentinel-controlled loop
  • sentinel-controlled-loop example: spicy_sentinel.cpp
  • used in spicy_sentinel.cpp: spiciness_level.h, spiciness_level.cpp, and the testing function spiciness_level_ck_expect.cpp
  
  
• Week 12, Monday, April 12, 2010 -- intro to repetition: basic while loops
  • in-lecture projections
  • basic-while-flow-chart.pdf - figure of basic while flowchart (showing the semantics of the basic C++ while statement/while loop)
  • first while-loop example: burp.cpp
  • second while-loop example: avg5grades.cpp
  • a while in a non-main function: show_burp.cpp , called by burp2.cpp
  • another while in a non-main function: avg_grades.cpp , called by avg_grades_ck_expect.cpp
  
  
• Week 9, Wednesday, March 24, 2010 - C++: intro to interactive input and output (using iostream library object cin and cout); definition of a C++ program; writing a main function; compiling and linking C++ functions to create a C++ program
  • in-lecture projections
  • main_template.txt
    
    
  • function get_word, a function with NO parameters, that expects nothing, does interactive input, and returns something:
    get_word.h, get_word.cpp, and the testing function get_word_ck_expect.cpp
  • function greeting, our first void function: greeting.cpp , greeting.h , greeting_ck_expect.cpp <-- EDITED to JUST call void function greeting; compiled using:
    g++ -o greeting_ck_expect greeting_ck_expect.cpp greeting.cpp
  • a main function calling greeting and get_word: greet_word.cpp , compilable using:
    g++ -o greet_word greet_word.cpp get_word.cpp greeting.cpp
  
  
• Week 9, Monday, March 22, 2010 - C++: introduction to mutation: assignment statements, += et al, and ++
  • in-lecture projections
    
    
  • function playing, a silly/goofy function to make a point about assignment:
    playing.h, playing.cpp, and the testing function playing_ck_expect.cpp
  
  
• Week 8, Wednesday, March 10, 2010 - C++: a function that calls another function, a function involving strings, and introducing the C++ if statement
  • in-lecture projections
    
    
  • function ring_area, which uses circ_area:
    ring_area.h, ring_area.cpp, and the testing function ring_area_ck_expect.cpp
  • function pretty_name, which involves strings:
    pretty_name.h, pretty_name.cpp, and the testing function pretty_name_ck_expect.cpp
  • function abs_value, which has an if-statement:
    abs_value.h, abs_value.cpp, and the testing function abs_value_ck_expect.cpp
  • function spiciness_level, which has a multi-way-branching style if-statement:
    spiciness_level.h, spiciness_level.cpp, and the testing function spiciness_level_ck_expect.cpp
  
  
• Week 8, Monday, March 8, 2010 - C++: more function examples
  • in-lecture projections
    
    
  • function circ_area:
    circ_area.h, circ_area.cpp, and the testing function circ_area_ck_expect.cpp
  • function is_safe, which produces a bool:
    is_safe.h, is_safe.cpp, and is_safe_ck_expect.cpp
  
  
• Week 7, Wednesday, March 3, 2010 - Intro to C++!
  • CIS 130 Unix handout (in tagged PDF)
  • CIS 130 C++ Tools handout - practiced with expr_play to play with C++ expressions,
    practiced with funct_play2 to create a C++ function,
    and you can use funct_compile to recompile an already-created function; (also "installed" these using the appendix's instructions)
    
    
  • introductory notes about C++ (compared to Scheme)
  • function rect_area, created using funct_play2; the following files were the result:
    the header file rect_area.h, the source code file rect_area.cpp, and the testing function rect_area_ck_expect.cpp
  
  
• Week 7, Monday, March 1, 2010 - more examples: conditional expressions, design recipe template step, figuring out how many specific tests/ examples you need when there are multiple cases, more working with intervals, etc.
  • in-lecture projections
  • after-lecture bonus example: the definitions and functions for a rising- and setting- sun-scene animation
  
  
• Week 5, Wednesday, February 17, 2010 - branching/conditional expressions; adding in the TEMPLATE step to the design recipe (step 4); writing and reading intervals;
  to read another presentation of some of this, see section 2.4 of "How to Design Programs", 2nd edition
  • in-lecture projections
  • text-version of car animation using cond ; save and execute this version: 130lab05-car-animation-cond1.ss
  
  
• Week 4, Monday, February 8, 2010 - using functions and definitions to achieve a desired end: simple animations; to read another presentation of some of this, see Section 1.2 of the Prologue of "How to Design Programs", 2nd edition
  • text-version of projected examples; save and execute this version: 130lect04-projected.ss
  
  
• Week 3, Wednesday, February 3, 2010 - introduction to the design recipe, using it in designing your own operations/ functions; to read another presentation of the design recipe, see section 2.3 of "How to Design Programs", 2nd edition
  • text-version of projected examples; save and execute this version: 130lab03-projected.ss
  
  
• Week 3, Monday, February 1, 2010 - defining your own names, (including importing an image from outside of DrScheme and giving it a name), first example of defining your own operation/function
  • text-version of projected examples; save and execute this version: 130lect03-projected.ss
  
  
• Week 2, January 25, 2010 - simple and compound expressions - partially based on the beginning of the prologue through section 1.1 of "How to Design Programs", 2nd edition
  • 130week2_examples.ss - in-class projected DrScheme Definitions window contents (with many explanatory comments as well as examples of Scheme simple and compound expressions)
  • http://web.cs.wpi.edu/~kfisler/Courses/TeachScheme/Fabric/index.html - download Kathi Fisler's fabric teachpack, fabric-teachpack.scm, from here