ASP.net Interview Questions And Answers

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ASP.Net Interview Questions and Answers

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ASP.NET Interview Questions And Answers

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Questions 1 What does the keyword virtual declare for a method?

Answer
The method or property can be overridden.

Questions 2 Tell me  implicit name of the parameter that gets passed into the set property 
of a class?

Answer
The data type of the value parameter is defined by whatever data type the property is declared as.

Questions 3 What is the difference between an interface and abstract class ?

Answer
1. In an interface class, all methods are abstract and there is no implementation.  In an abstract class some methods can be concrete.
2. In an interface class, no accessibility modifiers are allowed.  An abstract class may have accessibility modifiers.

Questions 4 How to Specify the accessibility modifier for methods inside the interface?

Answer
They all must be public, and are therefore public by default.

Questions 5 Define interface class ?

Answer
Interfaces, like classes, define a set of properties, methods, and events. But unlike classes, interfaces do not provide implementation. They are implemented by classes, and defined as separate entities from classes.