1)High School Student
10 PRINT "HELLO WORLD"
20 END
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2)College Student
program Hell(input, output)
begin
writeln("Hello World")
end.
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3)New Professional
#include ...
void main(void)
{
char *message[] = {"Hello", "World"};
int i;
for(i = 0; i < 2; ++i)
printf("%s", message[i]);
printf("\n");
}
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4)Seasoned Professional
#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& string::operator <<(ostream &os, const string&s){
return (os << 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;
}
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5)New Manager
10 PRINT "HELLO WORLD"
20 END
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6)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
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7)Senior Manager
% zmail jim
I need a "Hello, world." program by this afternoon.
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8)Chief Manager
% letter
letter: Command not found.
% mail
To:^X^F^C
% help mail
help: Command not found.
% damn!
!: Event unrecognized.
% logout