Controlling Access to Members of a Class

The following table shows the access to members permitted by each modifier.

Access Levels

Modifier	Class	Package	Subclass	World
public	Y	Y	Y	Y
protected	Y	Y	Y	N
no modifier	Y	Y	N	N
private	Y	N	N	N

απο το http://java.sun.com/docs/books/tutorial/java/javaOO/accesscontrol.html