Effective of C++—改变旧有的C习惯

case 1： using const and inline instead of #define

reason :when complier complain a error for "1.653", we may not realize it is a Macro.

1.how to define a const pointer?

const char* const authorName = "Deman Lu"；

2.define a static const member in class.

we should define it bouth in class body and in cpp file .

3. may be you can use enum for a const member.

case 1.2 using inline function to define function.

template<class T>

inline const T& max(const T& a, const T& b)

{return a>b ? a:b;}

case 2: using <iostream> instead of <stdio.h> and <iostream.h>

operator>> and operator << can using int, double, sring by default.

case 3:using new and delete instead of malloc and free.

new and delete will call constructors and destructors.

case 4: using C++ annotation instead of C style

using //  not /**/