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Warning: Nerd Joke!

The evolution of the famous HELLO WORLD in the programer's life

Secondary School

10 PRINT "HELLO WORLD"

20 END

First year in the university

program Hello(input, output)

begin

  writeln('Hello World')

end.

Last year in the university

(defun hello

(print

(cons 'Hello (list 'World))))

Beginner professional programer

#include <stdio.h>

void main(void)

{ char *message[] = {"Hello ", "World"};

  int i;

  for(i = 0; i< 2; ++i)

  printf("%s", message[i]);

  printf("\n");

}

Professional programer

#include <iostream.h>

#include <string.h>

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);

}

Very very professional programer

[

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(

Beginner 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

More experienced hacker

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

% a.out

Profession hacker

% cat

Hello, world.

^D

Newly appointed manager

10 PRINT "HELLO WORLD"

20 END

Middle-level manager

mail -s "Hello, world." bob@b12

Bob, can you write a program for me until tomorrow,

that display "Hello word" on the screen?

Thanks!

^D

Director

% zmail jim

I need a "Hello Word" program today afternoon.

CEO

% letter

letter: Command not found.

% mail To: ^X

^F ^C

% help mail

help: Command not found.

% fuck!

!: Event unrecognized

% logout