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All the Perl that's Practical to Extract and Report

Rant Mode: Part III More | Login | Reply

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Inheritance is not the answer. (Score:2)

by brian_d_foy (44)

What's really broken is that people think you need to inherit everything. In your example, it looks like you have a cart that should have things, not inherit things. I know this lame example shows up in a lot of Java books, but it's the wrong use for inheritance. They usually pull this stuff out to explain decorators, too, which is a pattern that is almost never needed for the example given.

There's no reason that any of those things should have an Is-A relationship. You need a cart that contains other disti
- Re:Inheritance is not the answer. (Score:1)
  
  by Aristotle (5147) <pagaltzis@gmx.de> on 2007.05.26 9:38 (#55290) Homepage Journal
  
  Thanks for saying that. I wanted to pipe up but couldn’t muster the energy to be coherent.
  
  Inheritance is overrated. Polymorphism is the key; inheritance is not.
  
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