1. CSE3302 Programming Languages (new notes)
Dr. Carter Tiernan
CSE 3302
Programming Languages

2. Object-Oriented Programming
Rich interactive environment
Graphics
Sound
Simulation tasks
CSE 3302
Programming Languages

3. Programming Languages
Smalltalk
Alan Kay
Xerox PARC - Dynabook
Windows-oriented display
Interactive language
Point and click or dialogue
Objects and classes
CSE 3302
Programming Languages

4. Structural Organization
Objects have a behavior
Objects can be made to do things by sending them messages
Repetitive operations can be simplified by using control structures
CSE 3302
Programming Languages

5. Programming Languages
Objects and Classes
Objects are instantiated
Classes are defined
Operators are overloaded implicitly
Methods work with any object matching protocol
Hierarchical classes
Only single inheritance
Names are not typed - dynamic type checking
CSE 3302
Programming Languages

6. Programming Languages
Messages
Message passing is like procedure invocation
Three message forms
Parameters with keywords and colons
No parameters
Arithmetic
Supports concurrency
CSE 3302
Programming Languages

7. Programming Languages
Smalltalk
Small and regular language
Windows!
Integrated programming environment
Simulation
Objects to model real-world elements
Classification of objects
Interaction through messages
CSE 3302
Programming Languages