Exemplo n.º 1
0
        public int CompareTo(object obj)
        {
            ClassBook it = obj as ClassBook;

            if (this.year == it.year)
            {
                return(0);
            }
            else if (this.year > it.year)
            {
                return(1);
            }
            else
            {
                return(-1);
            }
        }
Exemplo n.º 2
0
        static void Main(string[] args)
        {
            ClassBook book1 = new ClassBook();

            book1.SetBook("author1", "title1", 100, 1990);
            ClassBook book2 = new ClassBook();

            book2.SetBook("author2", "title2", 150, 1999);
            ClassBook book3 = new ClassBook();

            book3.SetBook("author3", "title3", 190, 2009);
            ClassBook book4 = new ClassBook();

            book4.SetBook("author4", "title4", 179, 1970);
            ClassBook book5 = new ClassBook();

            book5.SetBook("author5", "title5", 130, 1950);
            ClassBook[] bookArray = new ClassBook[5] {
                book1, book2, book3, book4, book5
            };

            Console.WriteLine($"Before sorting:");
            foreach (ClassBook book in bookArray)
            {
                book.Show();
            }

            Array.Sort(bookArray);

            Console.WriteLine($"After sorting:");
            foreach (ClassBook book in bookArray)
            {
                book.Show();
            }

            Console.ReadLine();
        }