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Course Content


Introduction to Generics in C#. Generic is a placeholder-based class that allows the user to define classes and methods. Generics were added to the C# language in version 2.0. Generic allows type (Integer, String, etc., as well as user-defined types) to be passed as a parameter to methods, classes, and interfaces.

The following are some benefits of using generics:

  • They help in reducing the number of lines of code needed for a project
  • They provide type safety
  • They make it easier for programmers to use a generic class without having to know what type it is
  • They make it easier for programmers to reuse a generic class across different projects

Generics are useful for writing code that is reusable across different types of variables and classes. They also help programmers avoid errors such as the following:

  • int x = 3;
  • // error: cannot implicitly convert type 'int' to 'double'
  • double y = x; // error: cannot implicitly convert type 'double' to 'int'
  • In C sharp, generics can be used with both primitive data types and reference data types.

Generic types are implemented in C sharp by using the keyword generic. A generic type is declared by using a class declaration, and then specifying the type parameters with angle brackets (<>) after the class name.

Generics in C sharp allow you to write a single method that can be used with different types of data. This allows the code to be more flexible, reusable, and easier to maintain.

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