Abstract Class in c#.net
Abstract Class:
Now we will discuss about abstract class in c#.net.- Abstract class is class we cannot create object. We only use inherit
- We are only use base class. If u r use abstract method u must implement derived class
Abstract Class Declaration
abstract class devenvexe
{
{
}
A abstract class can contain abstract method or non-abstract method .abstract method not have implementation in abstract class .but same its have derived class
Abstract Method/Non Abstract Method:
abstract class devenvexe{
public abstract void abstractMethod();
public void NonAbstractMethod()
{
Console.WriteLine("NonAbstract Method");
}
}
Rules:
- Abstract class not have sealed class
- Abstract class only contain abstract method
- Abstract class cannot be private
- Abstract method cant have virtual keyword.because its explicit virtuval method
- Abstract class cannot be static
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