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CS200 - Class Overview 1
CS200 Fall 2008
Instructor: Adele Howe
GTA: John Stevens
UTA: Erin Nagoshi
CS200 - Class Overview 2
CS200 structure
Check the cs200 webpage
Quizzes & Class Participation: “are you with us?” Tests: “what have you learned?” Lab assignments: “can you implement it?” Homework assignments: “do you understand the underlying theory?” CS200 - Class Overview 3
Class meetings
Lectures
Concepts Programming assignments discussion Quizzes Tests
Labs
Lab meetings help you with programming and homework assignments, practice material from lecture/book, meet with teammate (later). Actual Lab work done by yourself (or your team) during labs and in your own time. CS200 - Class Overview 4
Difference from CS160/
In CS16X you are told
What to do
How to do it (classes, methods, etc.)
In CS200 this is less so
What to do
Sometimes Class names
Larger programs, continuing assignments
Team programming
CS200 - Class Overview 5
Course Goals
To understand programs at different levels Logical view Programs = Algorithms + Data Structures Understand their relationship and use them correctly, efficiently Implementations Programs = Methods + Objects Practice design and implementation of object-oriented programs in Java Read others’ code and work together to build larger programs Connect underlying theory to programming concepts CS200 - Class Overview 6
Policies
“Trust men and they will be true to you; treat
them greatly and they will show themselves
great.” Ralph Waldo Emerson
Be professional.
CS200 - Class Overview 7
Programming Assignments
Building a ‘realistic’
simulator of Internet
traffic
Multi-part assignment
Read and parse packets Rout them through little tiny network
Part individual, part
LIKE PACKAGES SENT THROUGH THE MAIL, COMMUNICATIONS SENT OVER A NETWORK ARE team assignment
BROKEN DOWN INTO SMALL PACKETS AND WRAPPED WITH SHIPPING INSTRUCTIONS [from www. superhighwaylbl.html].gov/Science-Articles/Archive/information- CS200 - Class Overview 8
Clearing Cobwebs…
T or F: You can cast an int to double.
Legal?: int a = 5 + (int b = 4)
Spot the bugs:
double [] scores = {50.2, 121.0, 35.03, 14.27}; double mine; for (int in = 1; in = 4; ++in) { mine = mine + scores[in]; }
What does this do?
public static double abc(double anArray[], int x) { if (x == 1) { return anArray[0];} else { return anArray[x-1] * abc(anArray, x-1); }}
