Welcome to ecourse.org: the Information Infrastructure for Education in the information age! This system allows instructors from any school or college (including home schools and training programs) to teach either onsite or online courses . It allows students to manage all their ongoing school works and past academic records at one location.
Our mission is to redefine the model of learning and re-engineer its process by providing innovative administrative and instructional technologies. Click here for our beliefs.
What is your opinion?
Could another species someday replace us as Earth's dominant intelligent life and, if so, which species?
(643 Week 8/15 Outline: Class Diagrams) (by Liping Liu) Class Diagram: A graphical model representing conceptual objects and their relationships
Two Types of Relationships:
Inheritance:
Instance Level: Child objects are special kinds of a parent object (is-a relationship)
Class Level: Child classes are sub classes of a parent class
Wrong: A child object is contained in a parent object (why?)
Example 1:
Employee, FullTimer, and PartTimer
Account, Checking, and Savings
Encapsulation Principle Revisit:
private data for parent class must be changed into protected one
behavioral members must be changed into virtual if child class needs to change their implementation... more >>
(Visual C++ Redistributable Download) (by Liping Liu) Visual C++ 2005
Microsoft Visual C++ 2005 Redistributable (x64)
Registry Key: HKLM\SOFTWARE\Classes\Installer\Products\1af2a8da7e60d0b429d7e6453b3d0182
Configuration: x64
Version: 6... more >>
This system is designed and developed by Professor Liping Liu with financial support from Southern Illinois University at Carbondale. It evolved from a prior version called CourseWeb (for courses prior to Year 2000) and UXTEND.COM and www.e-course.org.
