The truth about C++ and object-oriented programming

Discussion in 'Silicon (v)Alley' started by Poisongage, Jan 20, 2010.

  1. #1 Poisongage, Jan 20, 2010
    Last edited by a moderator: Jan 20, 2010
    I stumbled across this interview with Bjarne Stroustup, the inventor of the C++ language and a proponent of modern object-oriented programming. I remember when i was at Business School, we were supposed to learn OOP, but i never got it. I found it frustrating and it lead me to take up an interest in coding HTML and CSS instead (which we were also learning), which in turn lead me to my interest in graphic design and websites.

    HTML and CSS are straightforward, easy to deal with languages (an entirely different game from programming code and C++ of course) and i had no difficulty learning these and taking them into my heart, whereas i never got anything out of our OOP lessons.

    And when i read this interview, i must admit, i cheered and smiled because i always hated my teacher for throwing us all those bullshit lessons about OOP. Now i finally understand why i had such a hard time dealing with OOP. Maybe you will too, if, of course, you didn't see OOP as a blessing.

    I realize it's a long read (well, not really), but stick with it and read the whole thing. You won't be dissapointed! Here you go:

    --------------------------------------------------

    On the 1st of January, 1998, Bjarne Stroustrup gave
    an interview to the IEEE's 'Computer' magazine.
    Naturally, the editors thought he would be giving
    a retrospective view of seven years of object-oriented
    design, using the language he created. By the end of the
    interview, the interviewer got more than he had
    bargained for and, subsequently, the editor decided to
    suppress its contents, 'for the good of the industry' but,
    as with many of these things, there was a leak. Here is a
    complete transcript of what was said, unedited, and
    unrehearsed, so it isn't as neat as planned interviews.
    You will find it interesting...


    ________________________________________________________________

    Interviewer:


    Well, it's been a few years since you changed theworld of
    software design. How does it feel, looking back?

    Stroustrup:


    Actually, I was thinking about those days, just before you
    arrived. Do you remember? Everyone was writing 'C' and,
    the trouble was, they were pretty damn good at it.
    Universities got pretty good at teaching it, too. They were
    turning out competent - I stress the word 'competent' -
    graduates at a phenomenal rate. That's what caused the
    problem.

    Interviewer:

    Problem?

    Stroustrup:

    Yes, problem. Remember when everyone wrote COBOL?

    Interviewer:

    Of course, I did, too.

    Stroustrup:

    Well, in the beginning, these guys were like
    demi-gods. Their salaries were high, and they
    were treated like royalty.

    Interviewer:

    Those were the days, eh?

    Stroustrup:

    Right. So what happened? IBM got sick of it,
    and invested millions in training programmers, till
    they were a dime a dozen.

    Interviewer:

    That's why I got out. Salaries dropped within a
    year, to the point where being a journalist actually
    paid better.

    Stroustrup:

    Exactly. Well, the same happened with 'C' programmers.

    Interviewer: I see, but what's the point?

    Stroustrup:


    Well, one day, when I was sitting in my office, I
    thought of this little scheme, which would redress
    the balance a little. I thought 'I wonder what
    would happen, if there were a language so complicated,
    so difficult to learn, that nobody would ever be able
    to swamp the market with programmers?

    Actually, I got some of the ideas from X10, you know,
    X windows. That was such a bitch of a graphics system,
    that it only just ran on those Sun 3/60 things. They
    had all the ingredients for what I wanted. A really
    ridiculously complex syntax, obscure functions, and
    pseudo-OO structure. Even now, nobody writes raw X-windows
    code. Motif is the only way to go if you want to retain
    your sanity.

    Interviewer:

    You're kidding...?

    Stroustrup:

    Not a bit of it. In fact, there was another problem.
    Unix was written in 'C', which meant that any 'C'
    programmer could very easily become a systems programmer.
    Remember what a mainframe systems programmer used to earn?

    Interviewer:

    You bet I do, that's what I used to do.

    Stroustrup:

    OK, so this new language had to divorce itself from Unix,
    by hiding all the system calls that bound the two together
    so nicely. This would enable guys who only knew about DOS
    to earn a decent living too.

    Interviewer:


    I don't believe you said that...

    Stroustrup:

    Well, it's been long enough, now, and I believe most people
    have figured out for themselves that C++ is a waste of time but,
    I must say, it's taken them a lot longer than I thought it would.

    Interviewer:

    So how exactly did you do it?

    Stroustrup:

    It was only supposed to be a joke, I never thought people would
    take the book seriously. Anyone with half a brain can see that
    object-oriented programming is counter-intuitive, illogical and
    inefficient.

    Interviewer:


    What?

    Stroustrup:

    And as for 're-useable code' --- when did you ever hear of a
    company re-using its code?

    Interviewer:

    Well, never, actually, but...

    Stroustrup:

    There you are then. Mind you, a few tried, in the early days.
    There was this Oregon company --- Mentor Graphics, I think they
    were called --- really caught a cold trying to rewrite everything
    in C++ in about '90 or '91. I felt sorry for them really, but
    I thought people would learn from their mistakes.

    Interviewer:

    Obviously, they didn't?

    Stroustrup:

    Not in the slightest. Trouble is, most companies hush-up all
    their major blunders, and explaining a $30 million loss to the
    shareholders would have been difficult. Give them their due,
    though, they made it work in the end.

    Interviewer:

    They did? Well, there you are then, it proves O-O works.

    Stroustrup:

    Well, almost. The executable was so huge, it took five minutes
    to load, on an HP workstation, with 128MB of RAM. Then it ran
    like molasses. Actually, I thought this would be a major
    stumbling-block, and I'd get found out within a week, but nobody
    cared. Sun and HP were only too glad to sell enormously powerful
    boxes, with huge resources just to run trivial programs. You
    know, when we had our first C++ compiler, at AT&T, I compiled
    'Hello World', and couldn't believe the size of the executable:
    2.1MB

    Interviewer:

    What? Well, compilers have come a long way, since then.

    Stroustrup:

    They have? Try it on the latest version of g++ - you won't get
    much change out of half a megabyte. Also, there are several quite
    recent examples for you, from all over the world. British Tele-
    com had a major disaster on their hands but, luckily, managed to
    scrap the whole thing and start again. They were luckier than
    Australian Telecom.

    Now I hear that Siemens is building a dinosaur, and getting more
    and more worried as the size of the hardware gets bigger, to
    accommodate the executables. Isn't multiple inheritance a joy?

    Interviewer:

    Yes, but C++ is basically a sound language.

    Stroustrup:

    You really believe that, don't you? Have you ever sat down and
    worked on a C++ project? Here's what happens: First, I've put
    in enough pitfalls to make sure that only the most trivial proj-
    ects will work first time. Take operator overloading. At the
    end of the project, almost every module has it, usually, because
    guys feel they really should do it, as it was in their training
    course. The same operator then means something totally different
    in every module. Try pulling that lot together, when you have a
    hundred or so modules. And as for data hiding, God, I sometimes
    can't help laughing when I hear about the problems companies
    have making their modules talk to each other.

    I think the word 'synergistic' was specially invented to twist
    the knife in a project manager's ribs.

    Interviewer:

    I have to say, I'm beginning to be quite appalled at all this.
    You say you did it to raise programmers' salaries? That's ob-
    scene.

    Stroustrup:

    Not really. Everyone has a choice. I didn't expect the thing to
    get so much out of hand. Anyway, I basically succeeded. C++ is
    dying off now, but programmers still get high salaries, especial-
    ly those poor devils who have to maintain all this crap. You do
    realise, it's impossible to maintain a large C++ software module
    if you didn't actually write it?

    Interviewer:

    How come?

    Stroustrup:

    You are out of touch, aren't you? Remember the typedef?

    Interviewer:

    Yes, of course.

    Stroustrup:


    Remember how long it took to grope through the header files only
    to find that 'RoofRaised' was a double precision number? Well,
    imagine how long it takes to find all the implicit typedefs in
    all the Classes in a major project.

    Interviewer:

    So how do you reckon you've succeeded?

    Stroustrup:

    The universities haven't been teaching 'C' for such a long time,
    there's now a shortage of decent 'C' programmers. Especially
    those who know anything about Unix systems programming. How many
    guys would know what to do with 'malloc', when they've used 'new'
    all these years and never bothered to check the return code. In
    fact, most C++ programmers throw away their return codes. What-
    ever happened to good ol' '-1'? At least you knew you had an
    error, without bogging the thing down in all that 'throw' 'catch'
    'try' stuff.

    Interviewer:

    But, surely, inheritance does save a lot of time?

    Stroustrup:

    Does it? Have you ever noticed the difference between a 'C'
    project plan, and a C++ project plan? The planning stage for
    a C++ project is three times as long. Precisely to make sure
    that everything which should be inherited is, and what shouldn't
    isn't. Then, they still get it wrong. Whoever heard of memory
    leaks in a 'C' program? Now finding them is a major industry.
    Most companies give up, and send the product out, knowing it
    leaks like a sieve, simply to avoid the expense of tracking them
    all down.

    Interviewer:

    There are tools....

    Stroustrup:

    ...Most of which were written in C++.

    Interviewer:

    If we publish this, you'll probably get lynched, you do realise
    that?

    Stroustrup:

    I doubt it. As I said, C++ is way past its peak now, and no
    company in its right mind would start a C++ project without a
    pilot trial. That should convince them that it's the road to
    disaster. If not, they deserve all they get. You know, I tried
    to convince Dennis Ritchie to rewrite Unix in C++.

    Interviewer:

    Oh my God. What did he say?

    Stroustrup:


    Well, luckily, he has a good sense of humor. I think both he
    and Brian figured out what I was doing, in the early days, but
    never let on. He said he'd help me write a C++ version of DOS,
    if I was interested.

    Interviewer:

    Were you?

    Stroustrup:

    Actually, I did write DOS in C++, I'll give you a demo when
    we're through. I have it running on a Sparc 20 in the computer
    room. Goes like a rocket on 4 CPU's, and only takes up 70 megs
    of disk.

    Interviewer:

    What's it like on a PC?

    Stroustrup:

    Now you're kidding. Haven't you ever seen Windows '95? I think
    of that as my biggest success. Nearly blew the game before I was
    ready, though.

    Interviewer:

    You know, that idea of a Unix++ has really got me thinking.
    Somewhere out there, there's a guy going to try it.

    Stroustrup:

    Not after they read this interview.

    Interviewer:

    I'm sorry, but I don't see us being able to publish any of this.

    Stroustrup:


    But it's the story of the century. I only want to be remembered
    by my fellow programmers, for what I've done for them. You know
    how much a C++ guy can get these days?

    Interviewer:

    Last I heard, a really top guy is worth $80 - $90 an hour.

    Stroustrup:

    See? And I bet he earns it. Keeping track of all the gotchas I
    put into C++ is no easy job. And, as I said before, every C++
    programmer feels bound by some mystic promise to use every damn
    element of the language on every project. Actually, that really
    annoys me sometimes, even though it serves my original purpose.
    I almost like the language after all this time.

    Interviewer:

    You mean you didn't before?

    Stroustrup:

    Hated it. It even looks clumsy, don't you agree? But when the
    book royalties started to come in... well, you get the picture.

    Interviewer:

    Just a minute. What about references? You must admit, you
    improved on 'C' pointers.

    Stroustrup:

    Hmm. I've always wondered about that. Originally, I thought I
    had. Then, one day I was discussing this with a guy who'd written
    C++ from the beginning. He said he could never remember whether
    his variables were referenced or dereferenced, so he always used
    pointers. He said the little asterisk always reminded him.

    Interviewer:

    Well, at this point, I usually say 'thank you very much' but it
    hardly seems adequate.

    Stroustrup:

    Promise me you'll publish this. My conscience is getting the
    better of me these days.

    Interviewer:

    I'll let you know, but I think I know what my editor will say.

    Stroustrup:

    Who'd believe it anyway? Although, can you send me a copy of that
    tape?

    Interviewer:

    I can do that.

    ---------------------------------------------

    Taken from: The Invention of C++ - Nice bit of net lore
     
  2. hahaha thats an awesome interview

    I just started taking Java and C#, boy am I fucked.

    I didnt want to take either of those, but all the other courses were full immediately.
     
  3. print "Hello, World?"
















    Yes, I know that's python... my c++ is shit. lol.
     
  4. I couldn't stop smiling when i first read it :)

    The way he went about creating it and the reasons... ahahahahaha :D Fucking genious.
     
  5. Don't be sad - like Bjarne said, the whole thing is a joke :D
     
  6. I want to be able to sit down and give an interview like that some day..

    I was planning on taking C++ next year, but wtf.
     
  7. Why not just make your own language ? :D
     
  8. Indeed. I thought it was pretty funny though. +rep for the find.
     
  9. Funny, insightful, genious. Best thing i've read in a long time. :)
     

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