Static Constructor, Private Constructor, Interface, Abstract

Static Constructor, Private Constructor, Interface, Abstract

In case of Normal class

Shared/static Constructors

·          If we define constructor as shared then once it can be called in their life cycle.

·         We cannot define a parameterized constructor of shared constructors.

·         Access Modifier cannot be used in Shared Constructors.

·         Shared Constructors/Methods only initialized shared variables.

In case of Normal class

Private Constructors

·         We cannot create object of Class which has a private constructor.

·         We cannot inherit class which has private constructor.

·         For using Class which has private constructor then we define other shared method/function

In class

Interface

·         All Methods of Interface to be implemented in class if class is normal.

·         All Methods of Interface need not to be implemented in MustInherited(Abstract)

In that case we have to use MustOverride key word before the unimplemented methods/Functions.

MustInherit/Abstract 

·         All unimplemented Methods (MustOverrides) of MustInherit(Abastract) class must be implemented in the derived class.

·         All Unimplemented methods of the MustInherit class required MustOverrieds keyword.