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标题: For programmers: Hello World [打印本页]

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作者: 萨米    时间: 2009-12-8 10:47:41     标题: For programmers: Hello World

http://www.gnu.org/fun/jokes/helloworld.html

High School/Jr.High

10 PRINT "HELLO WORLD"
20 END


First year in College

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


Senior year in College

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


New professional

#include <stdio>

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


Seasoned professional

#include <iostream>
#include <string>
class string
{
  private:
   int size;
   char *ptr;
  public:
   string() : size(0), ptr(new char('\0')) {}
   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);
}


System Administrator

#include <stdio>
#include <stdlib>
main()
{
  char *tmp;
  int i=0;
  /* on y va bourin */
  tmp=(char *)malloc(1024*sizeof(char));
  while (tmp="Hello Wolrd"[i++]);
  /* Ooopps y'a une infusion ! */
  i=(int)tmp[8];
  tmp[8]=tmp[9];
  tmp[9]=(char)i;
  printf("%s\n",tmp);
}

Apprentice Hacker

#!/usr/local/bin/perl
$msg="Hello, world.\n";
if ($#ARGV >= 0) {
     while(defined($arg=shift(@ARGV))) {
         $outfilename = $arg;
         open(FILE, ">" . $outfilename) || die "Can't write $arg: $!\n";
         print (FILE $msg);
         close(FILE) || die "Can't close $arg: $!\n";
     }
} else {
     print ($msg);
}
1;

Experienced Hacker

#include <stdio>
#include <string>
#define S "Hello, World\n"
main(){exit(printf(S) == strlen(S) ? 0 : 1);}


Seasoned Hacker

% cc -o a.out ~/src/misc/hw/hw.c
% a.out
Hello, world.


Guru Hacker

% cat
Hello, world.

New Manager (do you remember?)

10 PRINT "HELLO WORLD"
20 END


Middle Manager

mail -s "Hello, world." bob@b12
Bob, could you please write me a program that prints "Hello, world."?
I need it by tomorrow.
^D


Senior Manager

% zmail jim
I need a "Hello, world." program by this afternoon.

Chief Executive

% letter
letter: Command not found.
% mail
To: ^X ^F ^C
% help mail
help: Command not found.
% damn!
!: Event unrecognized
% logout

Research Scientist

        PROGRAM HELLO
        PRINT *, 'Hello World'
        END

Older research Scientist

        WRITE (6, 100)
    100 FORMAT (1H ,11HHELLO WORLD)
        CALL EXIT
        END

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作者: taomibaobao    时间: 2009-12-8 10:48:23

不错。。。

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作者: variable    时间: 2009-12-8 10:58:34

For non-IT people, just say "Hello World"

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作者: missmia    时间: 2009-12-8 11:02:13

Hello World~~~~~~~~~

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作者: ihouse.co.nz    时间: 2009-12-8 11:17:13

http://www.gnu.org/fun/jokes/helloworld.html

High School/Jr.High

10 PRINT "HELLO WORLD"
20 END

萨米 发表于 2009-12-8 10:47

QBASIC... remembering the old days!!!

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作者: cloudysky    时间: 2009-12-8 11:29:07

还真有点挺怀念的,多年前来到NZ不久,上大学后学的第一个Java编程写的就是Hello World...

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