Amazon Interview Question for Software Engineer / Developers






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can someone tell me how polymorphism and virtual functions are resolved?

- dbfroggy September 08, 2008 | Flag Reply
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OO feature: abstraction, inheritance, encapsulation, polymophism.
There are two kind of polymophism
one is run-time by override, in java all the function is virtual, it could be override by subclass method with same signature(same name, return value, parameter type, number).
the other is compile time by overload. in the class with same function name, but could have different number of parameters eg: Vector add(E o) and add(int index, E element) also operator overloading eg: double + double ,int+int.
Inheritance is to conceal the detail implementation of class to others. only exposes certain interface. It could avoid other program depending on the part of implementation likely to be changed in future.

- lele August 05, 2009 | Flag
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Hey Xenith,

Did you make the interview? Just wanted to know

- prolificcoder September 09, 2008 | Flag Reply
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Yup, I did.

I have another one in few days.

- Xenith September 09, 2008 | Flag
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hey xenith..

can u plz tell me how first round of amazon teleponic would be like...

- Anonymous September 27, 2008 | Flag Reply
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hey xenith..

can u plz tell me how first round of amazon teleponic would be like...

- syra September 27, 2008 | Flag Reply


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