Do U hav the Following Questions How Abstract Class can be instantiated? we can’t instantiate abstract classes then what is the use of constructors in it? Here is Answer For it abstract class constructors are called from the derived class constructors use base(arg list); for it abstract class MyClass { int variable; public MyClass(int variable) { this.variable = variable; Console.WriteLine(“abstract class variable={0}”,variable); } public abstract void aMethod(); public int Variable { get { return Variable; } set { Variable = value; } } } class MySubClass : MyClass { int variable; //calls the base class contructor MySubClass (int variable):base(variable) { this.variable=variable; Console.WriteLine(“MySubClass constructor aVar={0}”,variable); }Read More →