Smalltalk Trademark An object-oriented language, an object-oriented programming development environment, and a library of objects. Smalltalk was the first language to bring together all the features that characterize an object-oriented programming system. The language was developed at the Xerox Palo Alto Research Center, went through many versions during the 1970s (Smalltalk-74, Smalltalk-76, Smalltalk-78), and finally matured as Smalltalk-80. At first it was only implemented on Xerox workstations, but a version of Smalltalk-80 is now available for Sun workstations, and PC versions (Smalltalk V) can be purchased.
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