xerox Smalltalk Kernel Language Manual Sep77 free download

File name Smalltalk_Kernel_Language_Manual_Sep77.pdf

This document is for Xerox internal use only SmaHtalk Kernel Language fv1anual BY Larry Tesler SEPTEMBER 1977 Smalltalk is a programming rang'uage that deals with objects. Every object has its own data. Objects communicate by sending and receiving messages according to simple. protocols. Objects are grouped into classes. The objects of a class are called its instances. Each class specifies the protocols its instances will know as well as the methods they will use to respond to messages they receive.