About Question enthuware.ocpjp.v17.2.1242 :

[steinov]

There are two typos in the explanation:
In point 1:

Many standard JDK classes such as implement java.io.Closeable interface, which extends java.lang.AutoCloseable.

. Either "such as" should be removed or an example should be inserted afterwards.
In point 8:

If code in try block throws exception and an exception also thrown while closing is resource,...

should be

If code in the try block throws an exception and an exception is also thrown while closing a resource,...

[admin]

Fixed both.
thank you for your feedback!