精选优质文档-倾情为你奉上附件一 外文原文Object-Orientation and C+C+ is just one of many programming languages in use today. Why are there so many languages? Why do new ones appear every few years? Programming languages have evolved to help programmers ease the transition from design to implementation. The first programming languages were very dependent on the underlying machine architecture. Writing programs at this level of detail is very cumbersome. Just as hardware engineers learned how to bui
