Quite.

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Post #112,732

by static

8/5/03 8:16:32 AM

Quite.

While working with an incomplete object API with implementation mistakes, we often have to decide when adding a new class if we're doing an IS A or a HAS A interface. The distinction is most useful.

Wade.

Is it enough to love
Is it enough to breathe
Somebody rip my heart out
And leave me here to bleed

Is it enough to die
Somebody save my life
I'd rather be Anything but Ordinary
Please

-- "Anything but Ordinary" by Avril Lavigne.

Why extends is evil? - (johnu) - (44) - Aug. 4, 2003, 01:01:44 PM EDT

Is this just for Java? - (drewk) - Aug. 4, 2003, 01:08:47 PM EDT

This argument is needlessly pedantic, IMO - (FuManChu) - Aug. 4, 2003, 01:19:58 PM EDT

Lesson learned from Smalltalk - (ChrisR) - (1) - Aug. 4, 2003, 01:22:03 PM EDT

sounds like a will -NT - (deSitter) - Aug. 4, 2003, 02:43:03 PM EDT

Inheritance is a tool. - (admin) - (7) - Aug. 4, 2003, 02:30:40 PM EDT

Re: Inheritance is a tool. - (deSitter) - (3) - Aug. 4, 2003, 02:43:38 PM EDT

There's more to life than implementation inheritance. - (admin) - Aug. 4, 2003, 03:24:35 PM EDT

Definitions - (johnu) - (1) - Aug. 4, 2003, 03:24:52 PM EDT

I'd ask Alan Kay - (tuberculosis) - Aug. 21, 2007, 06:34:14 AM EDT

Thank you, Scott! - (jb4) - (1) - Aug. 4, 2003, 07:25:50 PM EDT

Another Me Too - (JimWeirich) - Aug. 4, 2003, 07:36:37 PM EDT

Good example of bad inheritance, java.util.Stack - (bluke) - Aug. 5, 2003, 08:14:25 AM EDT

This guy cracks me up - (tuberculosis) - Aug. 21, 2007, 06:34:08 AM EDT

IS A vs HAS A - (gdaustin) - (30) - Aug. 4, 2003, 10:30:10 PM EDT

Quite. - (static) - Aug. 5, 2003, 08:16:32 AM EDT

I missed that course - (drewk) - (18) - Aug. 5, 2003, 09:29:59 AM EDT

Shorthand for relationships - (admin) - (17) - Aug. 5, 2003, 09:36:46 AM EDT

Re: Shorthand for relationships - (deSitter) - (1) - Aug. 5, 2003, 09:40:20 AM EDT

snicker - (FuManChu) - Aug. 5, 2003, 10:51:07 AM EDT

ISA/HASA are good for a first approximation - (JimWeirich) - (14) - Aug. 5, 2003, 10:02:12 AM EDT

So what does it get you? - (drewk) - (10) - Aug. 5, 2003, 10:07:20 AM EDT

Specialization vs. Generalization - (gdaustin) - Aug. 5, 2003, 10:25:51 AM EDT

Code - (JimWeirich) - (7) - Aug. 5, 2003, 10:59:43 AM EDT

Thanks, but what would HASA look like? -NT - (drewk) - (6) - Aug. 5, 2003, 11:22:29 AM EDT

HASA - (gdaustin) - (5) - Aug. 5, 2003, 05:31:03 PM EDT

See, that's where I always get tripped up - (drewk) - (4) - Aug. 5, 2003, 05:53:29 PM EDT

There is a point to naming the useless stuff - (ben_tilly) - (3) - Sept. 21, 2003, 05:36:50 PM EDT

Clarification - (drewk) - (2) - Sept. 22, 2003, 10:37:14 AM EDT

Yes - (ben_tilly) - (1) - Sept. 22, 2003, 10:04:26 PM EDT

That's why I shouldn't be a teacher - (drewk) - Sept. 23, 2003, 10:51:27 AM EDT

The example of a stack (see post above) is a good one - (bluke) - Aug. 5, 2003, 11:47:35 AM EDT

My car is a Saturn - (gdaustin) - Aug. 5, 2003, 10:31:43 AM EDT

hierarchies and the real world - (tablizer) - (1) - Aug. 9, 2003, 02:07:51 PM EDT

Nonsense - (ChrisR) - Aug. 9, 2003, 03:51:57 PM EDT

Not quite that simple - (tuberculosis) - (9) - Aug. 21, 2007, 06:36:01 AM EDT

Thing I love/hate about smalltalk - (drewk) - (2) - Aug. 5, 2003, 12:26:10 PM EDT

Similar to Python in that fashion -NT - (admin) - Aug. 5, 2003, 12:41:34 PM EDT

Its real -NT - (tuberculosis) - Aug. 21, 2007, 06:36:13 AM EDT

Forgot to mention: key driver is "substitutability" - (tuberculosis) - (4) - Aug. 21, 2007, 06:36:18 AM EDT

Techies at Hertz - (tablizer) - (3) - Aug. 9, 2003, 02:12:31 PM EDT

And if your Table or Data Structure is... - (ChrisR) - Aug. 9, 2003, 03:53:19 PM EDT

Mostly - (tuberculosis) - (1) - Aug. 21, 2007, 12:45:06 PM EDT

Or perhaps that .... - (gdaustin) - Aug. 11, 2003, 12:03:54 AM EDT

Code sharing vs. polymorphism - (johnu) - Aug. 5, 2003, 04:42:32 PM EDT

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