Smalltalk is an object-oriented programming language that was created in the 1970s by Alan Kay, Dan Ingalls, Adele Goldberg, and others at Xerox PARC. It is one of the earliest programming languages designed with a focus on the concept of objects, encapsulation, and message passing. Some key features of Smalltalk include: 1. **Pure Object-Oriented**: Everything in Smalltalk is an object, including classes, numbers, and even control structures.
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