What's new in 1.4 is that if you rethrow an exception from the catch clause, you can attach the original cause of the exception.

发行版 1.4中的新功能是如果从catch 子句重新抛出了一个异常，您可以附加上该异常的初始原因。

youdao

What's new in 1.4 is that if you rethrow an exception from the catch clause, you can attach the original cause of the exception.

发行版 1.4中的新功能是如果从catch 子句重新抛出了一个异常，您可以附加上该异常的初始原因。

youdao