Introduction - If you have any usage issues, please Google them yourself
In C++ language, users often will be used to input and output operations "cin" and "cout". Among them, the operator "cin" by default, represents the computer s keyboard. The operator "to cout by default that the computer display screen. In fact, in C++ language, as well as some other classes for input and output operation or function method. Therefore, in this chapter, will be introduced to the user input and output stream class and its related features function method