注释：这些异常是针对在运行期间使用JNDI的。

Note: These exceptions are specific to using JNDI at run time.

youdao

异常类是只能在应用程序执行期间加载的类的另一个例子，因为异常在理想情况下(但不一定会遇到这种情况)很少发生。

Exception classes are another example of classes that may not load until well into an application's execution, because exceptions are ideally (though not always) rare occurrences.

youdao

如果在第二个try语句运行期间抛出异常，那么请注意，result变量被设置为false。

If an exception is thrown during the second try statement, notice that the result variable gets set to false.

youdao