1. CS Programming I
Jim Williams, PhD

2. Who Am I?
My Interests:
CS Education, specifically the teaching and learning of programming.
PhD in Computer Science, minor in Educational Psychology
Husband, Father, Coach, Traveller, ...

3. Comp Sci 200 - Programming I
What is Computer Science & Programming?
Tracing a Java Program
Organization of Course
Who is here?
Programming Process

4. What is Computer Science?
What is Programming?
With a name like computer science, you might think it is all about the computer.
Core principles: Abstractions and algorithms
This course:
Learning to give instructions to the computer.
Read and Write Java

5. What is Computer Science?
The study of the computer itself as well as how computers are applied to solve problems in any field.
What is Programming?
Designing algorithms and writing them in a language a computer can execute.

6. Enjoyment and Satisfaction
Lots of puzzles, problem solving and challenge
Opportunity to create something from nothing
Opportunity to apply to any field
Many enjoy these aspects of Computer Science and find a lot of satisfaction when successful.

7. A Java Program import java.util.Scanner; public class ReadNumber {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
double num = input.nextDouble();
System.out.println("Number entered: " + num); }
Java is a text language for controlling the computer. Programs are called "code" for a reason.
Decode (read)
"convert (a coded message) into intelligible language." [Google Dictionary]

8. Java Visualizer Demo Link available on right side of course website.

11. Organization of Course: Study Cycle

12. When Women Stopped Coding

13. Who is here?

14. Understand vs. Apply Steph Curry, NBA Golden State Warriors
Basketball Analogy
Demonstration vs. Practice
Declarative Knowledge vs Procedural Knowledge
Importance of Practice for learning
If you watch the same video or even 10 different videos on how to shoot a basketball do you get better at shooting a basketball?
Steph Curry, NBA Golden State Warriors

15. Declarative and Procedural Knowledge
Declarative: Knowledge about something
talk about a bike
CS terms and Java syntax
Procedural: Knowing how to do something
ride a bike
solve a problem systematically
write in Java

16. Edit-Compile-Run Cycle
From the command-line:
notepad (Editor)
javac (Compiler)
java (Virtual Machine)

17. File name
Cat.txt
Cat.java
Cat.class
Cat
For the class named Cat, what is the name of the file that the compiler creates and is provided to the Java Virtual Machine to run?
Cat.class

18. Compile For the class named Cat, what command would compile the class?
notepad Cat.java
javac Cat.java
java Cat.java
java Cat
For the class named Cat, what command would compile the class?
javac Cat.java

19. Edit-Compile-Run Cycle
Users
Editor
(Virtual)
Machine
Compiler
Hello.java
Hello.class
Computer
Files
Programmer

20. Various Errors Naming/Saving Syntax/Compile time Runtime & Logic Files
Editor
(Virtual)
Machine
Compiler
Hello.java
Hello.class
Computer
Files
Programmer