Part 6 C# tutorial - Nullable Type | Null Coalescing Operator??

OVERVIEW: In this video I have explained Nullable type in detail. Apart from that you will be able to cover below topics Why Nullable type is required? Assigning a Null value to a Non Nullable data types What is Null Coalescing operator? CONTACT US AT: technotipstutorial@gmail.com SOCIAL : Like TechnoTips official Page : http://facebook.com/technotipstutorial Subscribe : http://youtube.com/user/aapkanigam Follow us on Twitter : @technotipsMVC Telegram: http://t.me/TechnotipsAshish follow me on instagram: http://instagram.com/aapkanigam VISIT OUR BLOG: http://technotipstutorial.blogspot.com INTRODUCTION : There are two kinds of data types in C# Value Type: A data type which holds a data value within its own memory space. It means the variables of these data types directly contain values Reference Type: A reference type doesn't store its value directly. Instead it stores the address where the value is being stored Below types come under Value type and Reference Type VALUE TYPES: A. Simple types - Signed integral: sbyte, short, int, long - Unsigned integral: byte, ushort, uint, ulong - Unicode characters: char - IEEE binary floating-point: float, double - High-precision decimal floating-point: decimal - Boolean: bool B. Enum types - User-defined types of the form enum E {...} C. Nullable value types - Extensions of all other value types with null value D. Tuple value types - User-defined types of the form (T1 T2 ...) E. Struct types - User-defined types of the form struct S {...} REFERENCE TYPES: A. Class - Ultimate base class of all other types: object - Unicode strings: string - User-defined types of the form class C {...} B. Interface - User-defined types of the form interface I {...} D. Array - Single- and multi-dimensional for example int[] E. Delegates - User-defined types of the form delegate int D(...) FEATURED VIDEO: MVC TUTORIAL FOR BEGINNERS PLAYLIST : https://www.youtube.com/watch?v=6adg6DRfIHI&list=PLM5JAv_WpgH_FKWlsGkbiKUczG4BU8mv5 TAGS c# tutorial, data types in c#, Nullable type in C# Null value type in C#, why to use Nullable type, types in c#, value type vs reference type, csharp tutorial for beginners, technotips c#, technotips mvc, technotips ashish, c# with mvc, c# .net tutorial #CSharptutorial #technotips #aapkanigam #mvctutorial #csharpdotnet

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