Class notes

IF class is not public , file name can be any.
only one public class for this class in the file. so file name should be class name.

8 primitives types/ value
byte - 1 bytes
short -2
int - 4
long - 8
float - 4
double - 8
char - 4
boolean - 1 bit

refrence types/ obejcts types

Java API = library classes

http://java.sun.com/javase/6/docs/

most inmportant API: java.lang

can not overload the operators

Math.pow(2,3);

not static or public in local varibales, but can have const

String s = new String ("hee");
s is an object with hee and other String class properties.

Primitives types are located on stack.

String s2= "ee";
special object