The Evolution of a Programmer

[Apoorv Khatreja]

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 < 2; ++i)
printf("%s", message);
printf("\n");
}

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