.h，和using namespace std

布头儿发布于 2007-06-22 10:16， 579 次点击

这两个有什么区别啊，各有什么优点啊，
我在我的书上没有找到，请帮忙解释一下

3 回复

HJin2007-06-22 10:19

#include <iostream.h>

does not work for modern compliers, e.g., VS 2005. It may work for VS6, or older compilers.

The standard way is

#include <iostream>
using namespace std;

布头儿2007-06-22 12:27

HJin Think you very much

yuyunliuhen2007-06-22 12:58

only two different standard；
iostream.h is the old one;

#include <iostream>
using namespace std;
is the new one;