1. Principles of Computer Programming (using Java) Chapter 2, Part 1
Haidong Xue
Summer 2011, at GSU

2. Content Answers of assigenment1 Quiz1 Review Your first Java program
Ch2.1, Ch2.2, Ch2.3
Variables and Types
Ch2.4, Ch2.5
Examples

3. Assignment 1 Assignments received: 30 Average courses taken: 2.3
Number of beginners: 20
(beginner is defined as: 0 or limited programming experience)

4. Assignment 1
Make the photo in uLearn public

5. Quiz1
1:50PM – 2:00PM

6. Review Algorithm textbook wiki Ch1.3 Ways to express algorithms Ch1.3
Computer programs (algorithms in the form of certain programming language) Ch1.3
The stuff computer programs manipulate Ch1.4
Compiler and Interpreter Ch1.5
The compiler and interpreter in Java Ch1.5

7. YOUR FIRST JAVA PROGRAM
Ch2.1, Ch2.2, Ch2.3
YOUR FIRST JAVA PROGRAM

8. Your First Java Program
(Oracle documents)

9. The knowledge I suggest you to remember
JDK, JRE, JVM
How to get a Java program executed
The composition of Java programs
The composition of a method
Java Keywords: public, static, void

10. VARIABLES AND THEIR TYPES
Ch2.4, Ch2.5
VARIABLES AND THEIR TYPES

11. Primitive Data Types in Java
Range
Integer Types
byte
-128 to 127
short
to 32767
int
-231 to 231-1
long
-263 to 263-1
Floating-Point Types
float
A lot
double
A lot and much more than float
Boolean Type
boolean
{true, false}
Char Type
char
2128 characters

12. The knowledge I suggest you to remember
Variable declaration
How to assign value to a variable
The 4 most important data types and their keywords

13. Examples
HelloWorldPro.java
FahrenheitToCelsius.java