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Object Oriented Concepts Classes II

Object Oriented concepts ,[object Object],[object Object],[object Object],[object Object]

Encapsulation ,[object Object],[object Object],[object Object]

Composition ,[object Object],[object Object],[object Object],[object Object]

Inheritance ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Example ,[object Object],[object Object],[object Object]

Base and Derived Classes in C# ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Base and Derived Classes in C# ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Base and Derived Classes in C# ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

System.Object ,[object Object],[object Object],Method Description Equals This method compares two objects for equality and returns true if they are equal and false otherwise. Finalize Finalize is called by the garbage collector before it reclaims an object’s memory. GetHashCode The hashcode value returned can be used by a hashtable to determine the location at which to insert the corresponding value. GetType Returns an object of class Type that contains information about the object’s type. MemberwiseClone This protected method makes a copy of the object on which it is called. Instance-variable values in one object are copied into another object of the same type. For reference types, only the references are copied. ReferenceEquals This static method returns true if two objects are the same instance or if they are null references. ToString Returns a string representation of an object. The default implementation returns the namespace and class name.

Polymorphism ,[object Object],[object Object],[object Object],[object Object],[object Object]

Polymorphism ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Case Study: Payroll System Using Polymorphism ,[object Object],[object Object]

Payroll System Using Polymorphism ,[object Object],[object Object],[object Object],[object Object],Figure | Employee hierarchy UML class diagram

Abstract Classes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Abstract Classes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

as / is operators ,[object Object],[object Object],[object Object],[object Object]

Interfaces ,[object Object],[object Object],[object Object],[object Object],[object Object]

Interfaces ,[object Object],[object Object],[object Object],[object Object]

Interface Example: IPayable ,[object Object],[object Object],[object Object],[object Object],[object Object]

Multiple Inheritance ,[object Object],[object Object],[object Object],[object Object],[object Object]

Common Interfaces of the .NET Framework Class Library

sealed Methods and Classes ,[object Object],[object Object],[object Object],[object Object]

this ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Overloaded Constructors & this ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Destructors ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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