Shared Flashcard Set

Details

CS 12 JAVA
N/A
22
Computer Science
Undergraduate 1
02/01/2015

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Cards

Term
Man ls
Definition
manual pages/good way to look for help
Term
ls -al
Definition
all files in directory
Term
CPU
Definition

1.Fetches instruction from memory

2. Executes it

3.Sidetracked if anything interesting happens

4.Back to 1.

Term
PWD
Definition
Print Working Directory
Term
CD
Definition
CHANGE DIRECTORY
Term
CD /
Definition

CD FILE SYSTEM

EXP. CD USR

Term
CD ~
Definition
BACK TO HOME DIRECTORY
Term
cd ~username
Definition
goes to user's directory
Term
nano
Definition
Starts nano text editor
Term
CTRL X
Definition
TO EXIT NANO
Term
cat. forward
Definition
email
Term
variable
Definition
memory value
Term
(4) Variable Componets
Definition
Type (what kind of value), Name(how do we refer to it in code), Value(what does it store), Location(doesnt really matter in Java)
Term
int answer=42;
Definition

type: int(integer)

name:answer

value: 42

location:no clue?

Term
int answer=42;
Definition

int is a declaration (calling number into existence)

answer=assignment...assigns 42 to answer

Term
Transistors
Definition

Switch ON/OFF or High/LOW

made of silicon (Silicon Valley) 

Term
Bit Value in Java?
Definition
32-bit
Term
+
Definition
String Concatenation
Term
system.out. println (...);
Definition

system is a class

print is a method in something named "out"

Term
save sourcecode
Definition
use nano or text editor
Term
Compile
Definition

javac

exp. 

javac.BasicDemo.java

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