Description: Although many years ago in the undergraduate curriculum in middle school over C++, but after a few years, C++ is mainly I used simple algorithm realization or simple academic simulation program is written, there has been no in-depth practice object oriented C++ , a generic C++ . Therefore, he was an out and out C++ beginner. Here a beginner s point of view to read the book after the C++ of several new understanding of the new experience.
1, C++ pursues the efficiency of program execution, and thus sacrifices some of the convenience of programming development.
Several examples of this are mentioned in the book. For example, the method in the C++ class is the default non-virtual. Virtual function will cause extra overhead, space to increase the Table Virtual and pointer, the time needed to query the correct function through the function pointer, increasing the function call time (clause 7). And Java, the default all functions are virtual. As another example, the function of the defa
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