C# Struct2 min read

Struct in C# is a value type and a collection of variables of different data types inside a single unit. It is similar to classes in C# because both are the blueprints to create an object of a class and both are user-defined types.

However, a struct is a value type whereas a class is a reference type. Also, the struct does not support inheritance but can implement an interface. A class can have a default constructor whereas a struct cannot have a default constructor.

Syntax of struct in C#

Defining and Initialization struct in C#: The keyword that is used to define the structure is struct. A structure can also contain constructors, constants, fields, methods, properties, indexers, etc.

Structures can be instantiated with or without new keyword in C#.

Consider basic data of student: name, roll, score. And also let us initialized those values by creating an instance of the struct.
Student structure is declared in the following way:

Let us go through an example to understand it better.


Example 1: C# program for structure

Output:

Name: John Mac
Roll: 1101
score: 80.5


Example 2: C# program for structure using constructor and methods

It is another program where we will use a constructor and create a method for a structure.

Output: The result is the same as example 1 above.

Name: John Mac
Roll: 1101
score: 80.5


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