4003-707-02 Advanced Programming
Module 3. Classes and Interfaces -- Lecture Notes

Classes

• Members of a class
  • Fields and how to access them
  • Constructors and how to call them
  • Methods and how to call them
  • Javadoc documentation

• Access control
  • Public members
  • Private members

• Static members
  • The diference between the class and the instances of the class
  • Static methods
  • Static fields

• Final members
  • Final methods
  • Final fields

• Overloading
  • Overloaded constructors
  • Overloaded methods

Interfaces

• Members of an interface
  • Public methods
  • Constants (public static final fields)

• Not allowed in an interface:
  • Private members
  • Method bodies
  • Constructors

• Class that implements one or more interfaces

Inheritance

• Class that extends one (and only one) superclass

• Overriding
  • Overriding a superclass method in a subclass
  • Hiding a superclass field in a subclass (bad idea)
  • Abstract methods

• Access control
  • Public members
  • Private members
  • Protected members

• Interface that extends one or more superinterfaces

Packages

• Package declarations

• Source code directory structure with packages

• Access control
  • Public members
  • Private members
  • Protected members
  • Default-access (or package-access) members

Advanced Programming • 4003-707-02 • Fall Quarter 2008

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Alan Kaminsky • Department of Computer Science • Rochester Institute of Technology • 4486 + 2220 = 6706

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Copyright © 2008 Alan Kaminsky. All rights reserved. Last updated 12-Sep-2008. Please send comments to ark­@­cs.rit.edu.