Objects and Classes

Lecture overview -- Keyboard shortcut: 'u'

Previous page: Constant and readonly variables -- Keyboard shortcut: 'p'

Next page: The current object - this -- Keyboard shortcut: 'n'

Lecture notes - all slides together

Annotated slide -- Keyboard shortcut: 't'

Textbook -- Keyboard shortcut: 'v'

Alphabetic index

Help page about these notes

Classes and Objects - slide 19 : 29

Objects and Classes

Classes are written and described in source programs

Objects are created and exist while programs are running

Objects are characterized by
- Identity
- State
- Behavior

All objects cease to exist when the program execution terminates.

This is in conflict with the behavior of corresponding real-life phenomena, and it causes a lot of problems and challenges in many programs