csap basics

java

a high level class based, object oriented programming language

compile

compilers take java source code (a.jave.file) and tranform it into java bytecode (a.class.file), which can be executed by your computer

execute

running a program, which the computer does line by line until it’s done

syntax

the grammar rules that a programming language follows such as symbols, punctuations, and the structure you must use

JRE(java runtime enviornment)

downloading allows you to run java programs

JDK(java development kit)

downloading allows you to run and write java programs (come with JRE)

JVM(java virtual machine)

comes with JRE (and JDK since it comes with JRE) and it manages the virtual memory your program uses when executed

static

shared

void

return type

main

name of method

public

access modifier

class

groups of variables methods

System

is a class

.out.

variable printwriter

print

return type method

int

whole numbers

double

decimal numbers

char

single letter

boolean

true or false

+

addition

-

subtraction

*

multiplaction

/

division

%

modulo(remainders)

relational operators = != < >

give boolean answers

&&

and

||

or

!

not

who cares if i’m pretty…

if i fail my final