Object Concepts
uObject:
instance of a class
uObjects
are passed by reference
ØMay
be as complex as desired
uTo use a
class, must declare an instance of it like any other datatype
ØEx. Integer age = 38;
uEach
public class definition stored in its own source file
ØHas
exactly same name as class with .java file extension
uCompiled
version called a class file (.class)
uRelated
class files stored in libraries of packages
ØStored
in zip files (.jar)
Java Basics