1026 notes for thinking in c++(127-137)

1、introduction to operators. Precedence as well as auto increment and decrement.
2、Introduction to data types which include built-in type and user-defined types. Basic types and Boolean type.
3、Specifiers. Short,long,unsigned and signed.
4、Introduction to Pointers.Whenever you run a program, it is frist loaded(typically from disk into the computerr's memory. Thus,all elements of your program are located somewhere in memory.
5、A general guideline for C++ programing is that you should always initialize a variable at the point of definition, this form actually works better.