Smalltalk Programming Language
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The Learning Research Group at Xerox PARC designed a language to support Alan Kay's programming paradigm. This led to the Smalltalk-72 software. After experiments were performed on Smalltalk-72, a sequence of languages ending in Smalltalk-80 were developed.
Significant Language Features
- Object-Oriented- Smalltalk is a language in which reusable objects exchange messages.
- Graphical Programming Environment- First look at cut/copy/paste in programming language for most people.
- Versatile- Has many applications and uses.
- Graphic primitives and drawing programs- Supports quickly and easily created graphics.
Areas of Application
The demand for Smalltalk programmers is growing in areas where the telecommunications industry is strong.
- Business Information System
- Chosen because of Technical merit and flexibility
- Well suited for large projects
- Embedded in an oscilloscope
- Manages the telephone system of an entire country
- Batch programs for large mainframes
Sample Program
Source Code: (Hello World)
'Hello World!'
This program was created using Smalltalk Express for Windows.
This program demonstrates how to print Hello World in Smalltalk.
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