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 = "C Programming";

      Book1.author = "Nuha Ali"; 

      Book1.subject = "C Programming Tutorial";

      Book1.book_id = 6495407;

​

      /* book 2 specification */

      Book2.title = "Telecom Billing";

      Book2.author = "Zara Ali";

      Book2.subject =  "Telecom Billing Tutorial";

      Book2.book_id = 6495700;

​

      /* print Book1 info */

      Console.WriteLine( "Book 1 title : {0}", Book1.title);

      Console.WriteLine("Book 1 author : {1}", 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); 

   }

}