OOPS Concepts C# Vs VB.Net

Namespace: To grouping the related classes and some other data structures (For Eg. Animals).
Class: Its represents the real life entity (such as Dog,Tiger etc are come together under the namespace Animals).
Object: Instance of a class( For Eg. Jimmy is the instance of Dog)
Access Specifier:

• Public - Can be accessed by outside of the class members
• Private - Accessed By memeber of that class only
• Protected - Same as Private as well as accessed by member of the inherited class
• Internal - accessed by members of the same assembly.
• Proctected internal - Contains Both specifier characteristics.
• Friend - Accessed by memebers with in the project.

Encapsulation: To wrapping up of related attributes and functions in a entity
Abstraction or Data hiding: To protect the member variable access by using access specifier. its called Abstraction .
Shared Functions: Which is access with out instantiate in C# its called Static functions.
Overloading: To assign the more than one actions to the function based on input parameters.
Inheritance: To derive the base class members to derived class

• Abstract Class: Which is not instantiated directly. (VB.Net keyword Mustinherite.C# keyword abstract)
• Sealed Class: Which is not inheritable by derived class.(VB.Net keyword NotInheritable. C# keyword sealed)

Overriding (Virtual Function): Functions have same signature in both base class and derived class. (VB.Net keyword for base class function overridable.C# keyword Virtual.VB.Net keyword Overrides. C# keyword override)

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