===================
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.h>
void main(void)
{
char *message[] = {“Hello “, “World”};
int i;
for(i = 0; i < 2; ++i)
printf(“%s”, message[i]);
printf(“n”);
}
====================
Seasoned professional
=====================
#include <iostream.h>
#include <string.h>
class string
{
private:
int size;
char *ptr;
public:
string() : size(0), ptr(new char(‘