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How to define a structure in C#
In C#, a structure is a value type data type. It helps you to make a single variable hold related data of various data types. The struct keyword is used for creating a structure.
To define a structure, you must use the struct statement. The struct statement defines a new data type, with more than one member for your program.
For example, here is the way you can define a structure −
struct Books { public string title; public string author; public string subject; public int book_id; };
The following is an example showing how to create structure in C# −
Example
using System; struct Books { public string title; public string author; public string subject; public int book_id; }; public class testStructure { public static void Main(string[] args) { Books Book1; /* Declare Book1 of type Book */ Books Book2; /* Declare Book2 of type Book */ /* book 1 specification */ Book1.title = "Learn AngularJS"; Book1.author = "David"; Book1.subject = "AngularJS"; Book1.book_id = 345; /* book 2 specification */ Book2.title = "Learn Java in 7 days"; Book2.author = "Jack"; Book2.subject = "Java"; Book2.book_id = 567; /* print Book1 info */ Console.WriteLine( "Book 1 title : {0}", Book1.title); Console.WriteLine("Book 1 author : {0}", Book1.author); Console.WriteLine("Book 1 subject : {0}", Book1.subject); Console.WriteLine("Book 1 book_id :{0}", Book1.book_id); /* print Book2 info */ Console.WriteLine("Book 2 title : {0}", Book2.title); Console.WriteLine("Book 2 author : {0}", Book2.author); Console.WriteLine("Book 2 subject : {0}", Book2.subject); Console.WriteLine("Book 2 book_id : {0}", Book2.book_id); Console.ReadKey(); } }
Output
Book 1 title : Learn AngularJS Book 1 author : David Book 1 subject : AngularJS Book 1 book_id :345 Book 2 title : Learn Java in 7 days Book 2 author : Jack Book 2 subject : Java Book 2 book_id : 567
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