library.cs

在C#下

namespace ReadBooks
{
    using System;
	using System.Collections ;

    /// <summary>
    ///    Summary description for Library.
    /// </summary>
    public class Library
    {

		private SortedList m_shelf = new SortedList();
        public Library()
        {
            //
            // TODO: Add Constructor Logic here
            //
        }
		
		public void CheckIn(Book newBook)
		{
			m_shelf.Add(newBook.Title , newBook);
		}

		public Book CheckOut(string title)
		{
			Book theBook;
			theBook = (Book)m_shelf[title]; 
			m_shelf.Remove (title);
			return theBook;
		}

    }
}