this means: hide the specifity of processing inside of overriden methods of subclasses (instead of explicit conditions check)
In pseudo-language:
Replace code like
if obj.isOfType1 then doSomethForType1(obj)
else if obj.isOfType2 then doSomethForType2(obj)
...
By the call
obj.doSomething()
And create different implementations of doSomething() in particular subclasses of base class.
Thursday, July 15, 2010, 5:23:32 PM, you wrote:
|
> |
Hi, I am developing one basic application for banking, a company gave me this task. The requirements is as follows: There are 3 data holders: - owner - accounts - transactions to process There are some tasks like finding account owners and others. The company requires polymorphism instead of boolean fields? I am confused about this statement. Anybody help me to explain this statement and how can i design the classes on the basis of this. Waiting for your quick reply. Arslan |
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Best regards,
Aleksei mailto:aleksey.mesh...@tut.by
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