C++ Compiling Problems

[John Summerfied]

Coert Waagmeester wrote:
> Hi all!
> 
> I've started learning C++. (Should I first learn C ?)
> 
> I have an eBook from SAMS Teach yourself C++ in 21 days
> When I compiled their Hello World example:
> 
> 1: #include <iostream.h>
> 2:
> 3: int main()
> 4: {
> 5:    cout << "Hello World!\n";
> 6:        return 0;
> 7: } 
> 
> g++ came back with:
> In file included from /usr/lib/gcc/i386-redhat-linux/3.4.2/../../../../include/c++/3.4.2/backward/iostream.h:31,from hello.cpp:1:
> /usr/lib/gcc/i386-redhat-linux/3.4.2/../../../../include/c++/3.4.2/backward/backward_warning.h:32:2: warning:
> #warning Thisfile includes at least one deprecated or antiquated header. Please consider using one of the 32 headers
> found in section 17.4.1.2 of the C++ standard. Examples include substituting the <X> header for the <X.h> header for C++ includes,
> or <iostream> instead of the deprecated header <iostream.h>. To disable this warning use -Wno-deprecated.

How old is this book? the C++ Primer Plus (Third Edition) I have here is 
dated Sept 1998 and it says (P 848)
#include <iostream>


-- 

Cheers
John

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