Problem is, the only exception I catch is the base class.
现在的问题是，我只能捕获基类这个异常。
Client code calling the data logic method can catch the user-defined exception.
客户端代码调用数据逻辑方法可以捕获用户定义的异常。
If there is a problem, catch the exception and go from there.
如果出现问题，要捕获异常并加以处理。
E or ex for an exception in a catch clause (though not anywhere else).
e或ex表示catch子句中的异常(不用于其他位置)。
First, multiple exception types can be named as being handled by a single catch block.
首先，一个catch块中可以处理多个指定类型的异常。
What is the difference between: catch (Exception e) {throw e;} and catch (Exception e) {throw;}.
catch (Exceptione) {throw e；}和catch (Exception e) {throw；}的区别。
Revise your program to catch this exception and print a message.
修改上述的程序，使它能捕获这种异常并输出提示信息。
Is it bad to wrap a process around with a catch of runtime exception?
它是坏的包装过程在捕捉运行时异常？
Never use a proxy instance after an exception, even if you catch that exception.
不要异常以后使用代理实例，尽管你捕获了异常。
Never use a proxy instance after an exception, even if you catch that exception.
不要在异常后还使用回调通道，尽管你捕获了异常，因为通道可能出于错误状态。
You cannot catch stack overflow exceptions, because the exception-handling code may require the stack.
您无法捕捉堆栈溢出异常，因为异常处理代码可能需要堆栈。
You cannot catch stack overflow exceptions, because the exception-handling code may require the stack.
您无法捕捉堆栈溢出异常，因为异常处理代码可能需要堆栈。
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