The 5th Day Learning Java

Naming rule: Camel Case.

 Begins letter uppercase, continues camel case: Class name, Interface name, Enumeration

Begins letter lowercase, continues camel case: method, instance, static variable, local variable, parameters

Single upper letter: generic type parameter

All upper: Constant, Enumeration elements

All lower: package name

Separators: parenthesis, braces, box brackets, angel brackets, semicolon, comma, colon, period, single quotes, double quotes, forward slashes, forward slashes with asterisks, forward slashes with a double and a single asterisk. 

[modifiers] class classidentifier [extends superclass identifier] [implements interfaceidentifier, interfaceIdentifier, etc.]

[data memebers] [constructor] [ methods]

@override

compiler, interpreter

javac -cp -classpath -d

java -cp -D

javaw