...够处理这种类型的异常 的方法后,运行时系统把当前异常对象交给这 个方法进行处理,这一过程称为捕获异常 (catch the exception),积极处理机制。
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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。
And even if you catch the exception, it is possible that a connection will be left open.
即使你捕获了异常,仍有可能一直保持连接。
That's why the listing is written to catch the exception but doesn't actually do anything with it.
这就是清单中包含异常捕获功能,但实际却没有进行任何操作的原因。
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