How the way people code "Hello World" varies depending on their age and job

My HDD crash after my graduation...so all my previous pictures was lost. I found this picture from YiShen's blog. Taken in May 2007. LOL~~ Basically this is all the AI course people. a few missing. Yes~~ my class only got 12 ++ people. From 30++ in the first year down to 12++ people in the final year and graduated. Congrads~ First batch of white mouse....

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 

void main(void)
{
 char *message[] = {"Hello ", "World"};
 int i;
 for(i = 0; i <>

Seasoned professional

 #include 
#include 
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 << operator="(const" size =" strlen(chrs);" ptr =" new" str = "Hello World">

System Administrator

 #include 
#include 
main()
{
 char *tmp;
 int i=0;
 /* on y va bourin */
 tmp=(char *)malloc(1024*sizeof(char));
 while (tmp[i]="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 
#include 
#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