Assume the following object hierarchy: class Customer { int Id { get; set; } string Name { get; set; } } class CustomerStubDTO
I have a polymorphic relationshi开发者_运维百科p in rails 3 and i am trying to make the through table dependent. What is the best way to handle that?Would help to have some example code that you are t
I am building a rails 3 App.I\'ll try to describe this application to the best of my ability and as succinctly as possible.
In the real world what do people use this for (to solve what types of problems)? Can I see some example code of these working together? All I can find is code about cats and dogs 开发者_如何学Cspeakin
is operator overloading in fact polymorphism or parameter overloading? Is it true that polymorphism usually refer to different classes responding to the same \"message\" (the method name) and do diff
Suppose I have an interface IFoo with implementation classes VideoFoo, AudioFoo, and TextFoo.Suppose further that I cannot modify any of that code.Suppose that I would then like to write a function th
This question already has answers here: Closed 11 years ago. 开发者_JAVA技巧 Possible Duplicate: Why can't you reduce the visibility of a method in a java subclass?
I am trying to make my image_maps get destroyed when either a product 开发者_如何学编程or image is deleted. Here is the code.
Is there any difference on the polymorphism coded below? Basically is there difference in the binding of the method calls?
So I have this: interface C { void shutUp(); } class A { public void speak() { System.out.println(\"Class a\");