Какой язык лучше учить?

10 PRINT "HELLO WORLD"
20 END

program Hello(input, output)
begin
writeln('Hello World')
end.

(defun hello
(print
(cons 'Hello (list 'World))))

#include
void main(void)
{
char *message[] = {"Hello ", "World"};
int i;
for(i = 0; i < 2; i)
printf("%s", message[i]);
printf("
");
}

#include
#include
 
class string
{
private:
int size;
char *ptr;
 
public:
string() : size(0), ptr(new char('')) {}
string(const string &s) : size(s.size)
{
ptr = new char[size 1];
strcpy(ptr, s.ptr);
}
~string()
{
delete [] ptr;
}
 
friend ostream &operator <<(ostream &, const string &);
string &operator=(const char *);
};
 
ostream &operator<<(ostream &stream, const string &s)
{
return(stream << s.ptr);
}
 
string &string::operator=(const char *chrs)
{
if (this != &chrs)
{
delete [] ptr;
size = strlen(chrs);
ptr = new char[size 1];
strcpy(ptr, chrs);
}
return(*this);
}
 
int main()
{
string str;
 
str = "Hello World";
cout << str << endl;
 
return(0);
}

[
uuid(2573F8F4-CFEE-101A-9A9F-00AA00342820)
]
library LHello
{
// bring in the master library
importlib("actimp.tlb");
importlib("actexp.tlb");
 
// bring in my interfaces
#include "pshlo.idl"
 
[
uuid(2573F8F5-CFEE-101A-9A9F-00AA00342820)
]
cotype THello
{
interface IHello;
interface IPersistFile;
};
};
 
[
exe,
uuid(2573F890-CFEE-101A-9A9F-00AA00342820)
]
module CHelloLib
{
 
// some code related header files
importheader();
importheader();
importheader();
importheader("pshlo.h");
importheader("shlo.hxx");
importheader("mycls.hxx");
 
// needed typelibs
importlib("actimp.tlb");
importlib("actexp.tlb");
importlib("thlo.tlb");
 
[
uuid(2573F891-CFEE-101A-9A9F-00AA00342820),
aggregatable
]
coclass CHello
{
cotype THello;
};
};
 
 
#include "ipfix.hxx"
 
extern HANDLE hEvent;
 
class CHello : public CHelloBase
{
public:
IPFIX(CLSID_CHello);
 
CHello(IUnknown *pUnk);
~CHello();
 
HRESULT __stdcall PrintSz(LPWSTR pwszString);
 
private:
static int cObjRef;
};
 
 
#include
#include
#include
#include
#include "thlo.h"
#include "pshlo.h"
#include "shlo.hxx"
#include "mycls.hxx"
 
int CHello::cObjRef = 0;
 
CHello::CHello(IUnknown *pUnk) : CHelloBase(pUnk)
{
cObjRef ;
return;
}
 
HRESULT __stdcall CHello::PrintSz(LPWSTR pwszString)
{
printf("%ws
", pwszString);
return(ResultFromScode(S_OK));
}
 
 
CHello::~CHello(void)
{
 
// when the object count goes to zero, stop the server
cObjRef--;
if( cObjRef == 0 )
PulseEvent(hEvent);
 
return;
}
 
#include
#include
#include "pshlo.h"
#include "shlo.hxx"
#include "mycls.hxx"
 
HANDLE hEvent;
 
int _cdecl main(
int argc,
char * argv[]
) {
ULONG ulRef;
DWORD dwRegistration;
CHelloCF *pCF = new CHelloCF();
 
hEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
 
// Initialize the OLE libraries
CoInitializeEx(NULL, COINIT_MULTITHREADED);
 
CoRegisterClassObject(CLSID_CHello, pCF, CLSCTX_LOCAL_SERVER,
REGCLS_MULTIPLEUSE, &dwRegistration);
 
// wait on an event to stop
WaitForSingleObject(hEvent, INFINITE);
 
// revoke and release the class object
CoRevokeClassObject(dwRegistration);
ulRef = pCF->Release();
 
// Tell OLE we are going away.
CoUninitialize();
 
return(0);
}
 
extern CLSID CLSID_CHello;
extern UUID LIBID_CHelloLib;
 
CLSID CLSID_CHello = { /* 2573F891-CFEE-101A-9A9F-00AA00342820 */
0x2573F891,
0xCFEE,
0x101A,
{ 0x9A, 0x9F, 0x00, 0xAA, 0x00, 0x34, 0x28, 0x20 }
};
 
UUID LIBID_CHelloLib = { /* 2573F890-CFEE-101A-9A9F-00AA00342820 */
0x2573F890,
0xCFEE,
0x101A,
{ 0x9A, 0x9F, 0x00, 0xAA, 0x00, 0x34, 0x28, 0x20 }
};
 
#include
#include
#include
#include
#include
#include "pshlo.h"
#include "shlo.hxx"
#include "clsid.h"
 
int _cdecl main(
int argc,
char * argv[]
) {
HRESULT hRslt;
IHello *pHello;
ULONG ulCnt;
IMoniker * pmk;
WCHAR wcsT[_MAX_PATH];
WCHAR wcsPath[2 * _MAX_PATH];
 
// get object path
wcsPath[0] = ´´;
wcsT[0] = ´´;
if( argc > 1) {
mbstowcs(wcsPath, argv[1], strlen(argv[1]) 1);
wcsupr(wcsPath);
}
else {
fprintf(stderr, "Object path must be specified
");
return(1);
}
 
// get print string
if(argc > 2)
mbstowcs(wcsT, argv[2], strlen(argv[2]) 1);
else
wcscpy(wcsT, L"Hello World");
 
printf("Linking to object %ws
", wcsPath);
printf("Text String %ws
", wcsT);
 
// Initialize the OLE libraries
hRslt = CoInitializeEx(NULL, COINIT_MULTITHREADED);
 
if(SUCCEEDED(hRslt)) {
 
 
hRslt = CreateFileMoniker(wcsPath, &pmk);
if(SUCCEEDED(hRslt))
hRslt = BindMoniker(pmk, 0, IID_IHello, (void **)&pHello);
 
if(SUCCEEDED(hRslt)) {
 
// print a string out
pHello->PrintSz(wcsT);
 
Sleep(2000);
ulCnt = pHello->Release();
}
else
printf("Failure to connect, status: %lx", hRslt);
 
// Tell OLE we are going away.
CoUninitialize();
}
 
return(0);
}