Download Academic Vocabulary Chap 1-3

AP CS Academic Vocabulary
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
Chap 1-3 Introducing Java
Address – unique binary representation of a location in memory
Binary number system – Digits 0 and 1 used by computers. Base 2. On/Off. Machine level.
Bit – A single 0 or 1 in binary code.
Case sensitive – Java sees a difference between Horse and horse.
Compiler – A program that converts an entire program into machine code before the program is executed.
CPU – central processing unit that controls the flow of data within the computer. The “chip.”
Hardware – The physical parts of the computer such as monitor, printer, system unit.
Hexadecimal System – Base 16 (16 digits)
Input Device – enters data and instructions into computer (scanner, keyboard, camera)
Object - Oriented Programming – Java. Modules (classes) that are created that can be used over and over
again.
Operating System – Software that allows users to communicate with computers. (Windows7)
a. Java works on multiple operating systems.
Output device – A device used to display data (printer, monitor)
Programming language – set of code that allows a programmer to communicate/direct the computer (Source
code)
Software – code in computer (operating system, Microsoft Office, java)
Peripheral device – added to computer: printer, scanner
Java Terms
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
Class – created by programmer to describe an object. Starts with capital letter. Classes create objects!
Code conventions – set of guidelines for writing Java
Comment – Text for readers of program code not executed by computer. //
Escape sequence – backslash + symbol that represent a formatting command character /t
Execute – run a program
Main Method – makes a program executable
Method – A set of statements that perform a task or an action of an object
Object - Data +methods
Package – group of related classes
print – displays data on the screen (same line)
println – Displays data then moves the insertion point to next line
public – access modifier that declares a class is available to any code.
SOP – Mrs. Goddard’s shorthand for System.out.println
Statement – an instruction in a program. Often on 1 line.
{ } - curly braces. Used to begin and end Classes and methods. Always even number of them.
Memorize the Main Method:
public static void main (String[ ] args) {