BankAccount – instance vs static member field & method
CarSedan – public vs protected vs private
PersonStudent – method overriding
ShapePolymorphism – abstract class & method
Month: October 2016
default, public, protected, private
http://docs.oracle.com/javase/tutorial/java/javaOO/accesscontrol.html
| 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 |
Polymorphism
Polymorphism (via overriding)
http://stackoverflow.com/questions/154577/polymorphism-vs-overriding-vs-overloading
Lecture5
Lecture5