We should check the exception type, but here we'll just assume it means that no results were found.
我们应该检查异常类型，但此处我们将假定它意味着没有找到相应结果。
Create two UML classes, DrawingSurface and GraphicException, to be used as a parameter type and exception type, respectively, for the sample method.
创建两个uml类，DrawingSurface和GraphicException，分别用做示例方法的参数类型和异常类型。
Catches the most specific exception type.
优先捕获特定的需要处理的异常类型。
The kernel must provide a dedicated exception handler for each exception type.
内核必须为每个异常类型提供专门的异常处理函数。
Automatic retry: combined probe exception type and current network conditions, intelligent retry strategies.
自动重试：结合探测异常类型和当前网络状况，智能执行重试策略。
When an exception occurs, it may have an associated value, also known as the exception's argument. The presence and type of the argument depend on the exception type.
发生异常时，可能会有一个附属值，作为异常的参数存在。这个参数是否存在、是什么类型，依赖于异常的类型。
When we throw an exception, we usually construct the object we are going to throw at the throw point. That object represents what went wrong, so we know the precise exception type.
当抛出一个异常的时候，通常在抛出点构造将抛出的对象，该对象表示出了什么问题，所以我们知道确切的异常类型。
Exception type (one of three thrown by the socket open call).
异常类型(套接字打开呼叫抛出的3种异常之一)。
Exception type (one of three thrown by the socket open call).
异常类型(套接字打开呼叫抛出的3种异常之一)。
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