Difference Between Abstract Class And Interface In Asp Net

Both a declaration and a definition is given in an abstract class but not so in an interface.

Difference between abstract class and interface in asp net. Using abstract we can not achieve multiple inheritance but using an interface we can achieve multiple inheritance. Both a declaration and a definition is given in an abstract class but not so in an interface. Using abstract we cannot achieve multiple inheritance but using an interface we can achieve multiple inheritance. All the members are assumed as implicitly public.

An abstract class doesnt provide full abstraction but an interface does provide full abstraction. About abstract class. The performance of interface is slow because it requires time to search actual method in the corresponding class. An interface cannot provide any code just the signature.

Share follow asked jan 21 11 at 634. Read a book or an introduction to c. An abstract class doesnt provide full abstraction but an interface does provide full abstraction. This is a special type of class that cannot be instantiatedabstract class is a class which contains both abstract method and non abstract methodabstract class has a method definition and implementationit can contain access modifiers for function propertiesit doesnt support.

Abstract class is a class that contain complete and abstract incomplete both type of member and it can not be instantiated abstract classes are one of the essential behaviors provided by dotnet. It is used to implement peripheral abilities of class. A class can at the most use only one abstract class. The performance of an abstract class is fast.

An interface is not allowed to have access modifiers for member declaration of functions subs properties etc. 1175 4 4 gold badges 16 16 silver badges 32 32 bronze badges. A class can use multiple interface. It is used to implement the core identity of class.

An abstract class can have all access modifiers for member declaration of functions subs and properties. But there are many differences between abstract class and interface that are given below. Example of abstract class and interface in java. Interfaces are used to define the peripheral abilities of a class.

An abstract class can provide complete default code andor just the details that have to be overridden. In other words both human and vehicle can inherit from a imovable interface. A class can only use one abstract class. Simply abstract class achieves partial abstraction 0 to 100 whereas interface achieves fully abstraction 100.