Progevol

Progevol

[Ed. Note: This is original by Dennis Lou (cs161fhn%sdcc10@ucsd.edu).
Please leave this attribution intact if you forward it.]

The Evolution of a Programmer

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
main (argc,argv)
int argc;
char **argv; {
printf ("Hello World!n");
}

Seasoned pro

#include

const int MAXLEN = 80;

class outstring;
class outstring {
private:

int size;
char str[MAXLEN];

public:
outstring() { size=0; }
~outstring() {size=0;}
void print();
void assign(char *chrs);
};
void outstring::print() {
int i;
for (i=0 ; i< size ; i++)
cout << str[i];
cout << "n";
}
void outstring::assign(char *chrs) {
int i;
for (i=0; chrs[i] != '0';i++)
str[i] = chrs[i];
size=i;
}

main (int argc, char **argv) {
outstring string;

string.assign("Hello World!");
string.print();
}

Manager

/* George, I need a program to output a string "Hello World!" */
---------------------------------------------------------------------------

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