https://blog.csdn.net/sxy_javaeyezh-cnhttps://blog.csdn.net/https://blog.csdn.net/sxy_javaeye/article/details/6452044https://blog.csdn.net/sxy_javaeye/article/details/6452044sxy_javaeyeSat, 28 May 2011 17:00:00 +0800本文转自： http://www.51testing.com/?uid-102055-action-viewspace-itemid-209207
 
抽象类和接口的区别。

区别一，两者表达的概念不一样。抽象类是一类事物的高度聚合，那么对于继承抽象类的子类来说，对于抽象类来说，属于“是”的关系；而接口是定义行为规范，因此对于实现接口的子类来说，相对于接口来说，是“行为需要按照接口来完成”。这些听起来有些虚，举个例子。例如，狗是对于所有狗类动物的统称，京哈]]>https://blog.csdn.net/sxy_javaeye/article/details/6451964https://blog.csdn.net/sxy_javaeye/article/details/6451964sxy_javaeyeSat, 28 May 2011 16:05:00 +0800C#中new和override是继承中经常用到的两个关键字，但是往往有时候容易把这两个关键字的作用搞混淆。
new
C# new关键字表示隐藏，是指加上new关键字的属性或函数将对本类和继承类隐藏基类的同名属性或函数
public class A
{
    public virtual void Method()
    {
        Console.WriteLine("This Method in Class A]]>https://blog.csdn.net/sxy_javaeye/article/details/6451959https://blog.csdn.net/sxy_javaeye/article/details/6451959sxy_javaeyeSat, 28 May 2011 16:03:00 +0800https://blog.csdn.net/sxy_javaeye/article/details/5090839https://blog.csdn.net/sxy_javaeye/article/details/5090839sxy_javaeyeMon, 28 Dec 2009 14:10:00 +0800https://blog.csdn.net/sxy_javaeye/article/details/5090781https://blog.csdn.net/sxy_javaeye/article/details/5090781sxy_javaeyeMon, 28 Dec 2009 14:05:00 +0800https://blog.csdn.net/sxy_javaeye/article/details/5038419https://blog.csdn.net/sxy_javaeye/article/details/5038419sxy_javaeyeSat, 19 Dec 2009 14:41:00 +0800https://blog.csdn.net/sxy_javaeye/article/details/5038412https://blog.csdn.net/sxy_javaeye/article/details/5038412sxy_javaeyeSat, 19 Dec 2009 14:39:00 +0800https://blog.csdn.net/sxy_javaeye/article/details/5038177https://blog.csdn.net/sxy_javaeye/article/details/5038177sxy_javaeyeSat, 19 Dec 2009 14:16:00 +0800https://blog.csdn.net/sxy_javaeye/article/details/5037916https://blog.csdn.net/sxy_javaeye/article/details/5037916sxy_javaeyeSat, 19 Dec 2009 13:38:00 +0800https://blog.csdn.net/sxy_javaeye/article/details/5037889https://blog.csdn.net/sxy_javaeye/article/details/5037889sxy_javaeyeSat, 19 Dec 2009 13:34:00 +0800https://blog.csdn.net/sxy_javaeye/article/details/5037757https://blog.csdn.net/sxy_javaeye/article/details/5037757sxy_javaeyeSat, 19 Dec 2009 13:11:00 +0800https://blog.csdn.net/sxy_javaeye/article/details/4743665https://blog.csdn.net/sxy_javaeye/article/details/4743665sxy_javaeyeThu, 29 Oct 2009 16:03:00 +0800https://blog.csdn.net/sxy_javaeye/article/details/4743653https://blog.csdn.net/sxy_javaeye/article/details/4743653sxy_javaeyeThu, 29 Oct 2009 16:00:00 +0800"/>中嵌套使用了双引号，运行时就会出现上述报错信息。要解决此问题，把红色引号部分改成单引号(single quotes)，就OK了。2、两种属性之间没有空格     例如：MaxLength="100"TextMode="MultiLine" ReadOnly="true"/>中橘红色MaxLen]]>https://blog.csdn.net/sxy_javaeye/article/details/4742949https://blog.csdn.net/sxy_javaeye/article/details/4742949sxy_javaeyeThu, 29 Oct 2009 14:13:00 +0800https://blog.csdn.net/sxy_javaeye/article/details/4739146https://blog.csdn.net/sxy_javaeye/article/details/4739146sxy_javaeyeWed, 28 Oct 2009 16:59:00 +0800https://blog.csdn.net/sxy_javaeye/article/details/4739126https://blog.csdn.net/sxy_javaeye/article/details/4739126sxy_javaeyeWed, 28 Oct 2009 16:56:00 +0800https://blog.csdn.net/sxy_javaeye/article/details/4737803https://blog.csdn.net/sxy_javaeye/article/details/4737803sxy_javaeyeWed, 28 Oct 2009 13:07:00 +0800https://blog.csdn.net/sxy_javaeye/article/details/4737755https://blog.csdn.net/sxy_javaeye/article/details/4737755sxy_javaeyeWed, 28 Oct 2009 12:51:00 +0800https://blog.csdn.net/sxy_javaeye/article/details/4736763https://blog.csdn.net/sxy_javaeye/article/details/4736763sxy_javaeyeWed, 28 Oct 2009 09:37:00 +0800https://blog.csdn.net/sxy_javaeye/article/details/4734168https://blog.csdn.net/sxy_javaeye/article/details/4734168sxy_javaeyeTue, 27 Oct 2009 16:31:00 +0800