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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク SmallTalk ： FOLDOC Smalltalk The pioneering object-oriented programming system developed in 1972 by the Software Concepts Group, led by Alan Kay, at Xerox PARC between 1971 and 1983. It includes a language, a programming environment, and an extensive object library. Smalltalk took the concepts of class and message from Simula-67 and made them all-pervasive. Innovations included the bitmap display, windowing system, and use of a mouse. The syntax is very simple. The fundamental construction is to send a message to an object: object message or with extra parameters object message: param1 secondArg: param2 .. nthArg: paramN where "secondArg:" etc. are considered to be part of the message name. Five pseudo-variables are defined: "self", "super", "nil", "true", "false". "self" is the receiver of the current message. "super" is used to delegate processing of a message to the superclass of the receiver. "nil" is a reference to "nothin スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.