Generics

Question

Hi friends can anybody Explain Advantages and disadvantages of using generics.

Senthilkumar · Answer

Hi Advantages of Generics: 1. Generics solve the problem of type safety 2. Code Reusability: if we write a Generic Class or method once we can use that through out our program. hence it is code reuse 3. Performance: By using Generics performance increases this is because we are not using the concept of Boxing 4 Generic methods can often be called without employing any special syntax by using a feature called type inference More info: http://msdn.microsoft.com/en-us/library/ms172194(v=vs.85).aspx http://venkatcsharpinterview.blogspot.in/2011/05/advantages-and-disadvantages-of-using.html

Vulpes · Answer

Advantages of generics: 1. Strongly typed. 2. No casting from System.Object type required. 3. No boxing/unboxing when using value types. 4. Can still be used non-generically by using System.Object type parameter. Disadvantages of generics: 1. Longer type names - can be mitigated to some extent by use of 'var'. 2. If there are multiple type parameters may make code more difficult to read.

Jignesh Trivedi · Answer

hi Generics are a new feature in version 2.0 of the C# language and the common language runtime (CLR). Generics introduce to the .NET Framework the concept of type parameters which make it possible to design classes and methods that defer the specification of one or more types until the class or method is declared and instantiated by client code. A primary reason is the type safety at compile time. If you are passing two Type objects you are placing the responsibility at the developer instead of the compiler. Another reason to use a generic is if you want to apply constraints to the type Please refer http://msdn.microsoft.com/en-us/library/ms172194.aspx

MuthuMari M · Answer

Hi Generics  Generic helps us to maximize the reuse of code Type safety and better performance. Generics are most commonly used to create a collection. There are many new generic collection classes in the System.collection.Generics namespace. These classes are advised to be used for type safety and better performance over araylist. We can also create our own Generic interface classes methods events and delegates. Information on the types used in a generic data type may be obtained at run-time by means of reflection Generics are a great way of writing classes that combine reusability type safety and efficiency. Generics are commonly used with collections. .NET 2.0 has introduced a new namespace called System.Collections.Generic which contains classes that support generics. The most common use for generic classes is with the collections like linked lists hash tables stacks queues trees and so on where operations such as adding and removing items from the collection are performed in more or less the same way regardless of the type of the data being stored. Thanks. If this post is useful then mark it as  Accepted Answer