library.cs

来自「OOP With Microsoft VB.NET And Csharp Ste」· CS 代码 · 共 40 行

using System;

namespace ABetterLibrary
{
	/// <summary>
	/// Summary description for Library.
	/// </summary>
	public class Library
	{
		private BookCollection m_shelf =new BookCollection();
		public Library()
		{
		}
		public void CheckIn(Book newBook)
		{
			m_shelf.Add(newBook);
		}
		public Book CheckOut(string title)
		{
			Book theBook =m_shelf [title ];
			m_shelf.Remove(title);
			return theBook;
		}
	
		public static void Main()
		{
			Library aLibrary =new Library();
			aLibrary.CheckIn(new Book("First Book",
				"Here is the text of the first book."));
			aLibrary.CheckIn(new Book("Second Book",
				"Here is the text of the second book."));
			Book firstBook = aLibrary.CheckOut("First Book");
			Console.WriteLine("The text of '{0}' is '{1}'.",
				firstBook.Title,firstBook.Text);
			aLibrary.CheckIn(firstBook);
		}

	}
}