Law of Demeter? And, OK.... I'll just pass references, it was a passing idle thought. But thanks : )
What kind of languages espouse real OOP? Smalltalk gets mentioned a lot. Ruby? Regards, Liam Clarke On Mon, 17 Jan 2005 07:48:28 -0000, Alan Gauld <[EMAIL PROTECTED]> wrote: > > Well, one thing learning Java is good for is for thoroughly > > demystifying OOP. > > <HOTBUTTON> > I'd have to disagree here because Java's version of OOP has > very little to do with real OOP. Java just uss classes as > a kind of modularisation mechanism and does not make much > use of tthe real OO features. In fact it doesn't even > support several of the things that enable real OO > programming. > > And its class library, a strong feature because it is a > standard, is dreadful from an OOP p[erspective. In fact > I usually refer to Java as a Class Oriented Programming > rather than Object Oriented. > > It is possible to use Java in an OOP way (read Brice Eckel's > "Thinking in Java" to see how) but the language itself > encourages a style of programming that is much more like > Pythons modules than true OOP. > > > It's not some magical acronym of programming > > goodness, it's just an 'organic' way to organise code. > > Certainly in Java thats true, and indeed even at the > higher level OOP is a way of organizing code - by > finding high level abstractions and building tree > structures based on common intefaces. But Java doesn't > encourage that structuring as much as Python does! > </HOTBUTTON> > > > If I understand correctly, once an object is created, as long as > > references to it exist, it isn't garbage collected. > > Yes. > > > Does that make sense? So, foo is floating around in the namespace, > and > > bar just wants to grab a field of foo. Can it? > > It shouldn't - it should be sending a message. One of > the bad things about Java is it encourages the use > of getXXX and setXXX style methods which are a total > anathema to real OOP. They break the Law of Demeter. > > Alan G. > > -- 'There is only one basic human right, and that is to do as you damn well please. And with it comes the only basic human duty, to take the consequences. _______________________________________________ Tutor maillist - [email protected] http://mail.python.org/mailman/listinfo/tutor
