OOPs INTERVIEW QUESTION & ANSWERS
DOT Net
TAGS
| 21. | What is the use of Internal keyword? |
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| Internal keyword is one of the access specifier available in .Net framework , that makes a type visible in a given assembly. |
| 22. | What is the difference between Object and Instance? |
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| An instance of a user-defined type is called an object. We can instantiate many objects from one class. An object is an instance of a class. |
| 23. | What is this? |
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| this is a reference that each instance has to itself. The this reference gives the instance access to its internal variables and behaviors. |
| Posted by Aswini Aluri. (Nov 20, 2013) | |
this keyword is used to make current instance of class |
| 24. | What is Overloading? |
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| A process of creating different implementation of a method having a same name as base class, in a derived class. It implements Inheritance. |
| 25. | Define destuctors? |
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| A destructor is called for a class object when that object passes out of scope or is explicitly deleted.A destructors as the name implies is used to destroy the objects that have been created by a constructors.Like a constructor , the destructor is a member function whose name is the same as the class name but is precided by a tilde. |