Abstract -- C# Keywords

Abstract Classes and Abstract Methods in C#.NET

Abstract Classes:

•   Provide default functionality to its sub classes.
•   Contain methods with complete implementation, besides abstract methods.
•   Contains at least one abstract method, then the class must be declared as abstract class.

//Abstract class
    abstract class <Class Name>
    {

        protected float <Var Name>;

        //Abstract methods can have only declarations
        public abstract <DataType> <Method Name>();
         ///Method with Paramenter
        public abstract <DataType> <Method Name>(<DataType> obj);

    }

class  <Class Name(child Class)> : <Class Name(Parent Name)>
{
        public Override <DataType> <Method Name>();
{
/// Write your Code
}

        public Override <DataType> <Method Name>(<DataType> obj);
{
/// Write your Code
}

}