Exam 1z0-900 topic 1 question 51 discussion

Actual exam question from Oracle's 1z0-900

Question #: 51
Topic #: 1

[All 1z0-900 Questions]

Given the following code:

What should you do at line 1 to enable this servlet receive request data without blocking?

A. Use a Runnable instance with the start () method of AsyncContext.
B. Define a ReadListener and assign it to the request input stream.
C. Create a Callable class and delegate this operation to a ManagedExecutorService by using the dispatch method of AsyncContext.
D. Define an AsyncListener and assign it to the AsyncContext object.

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Suggested Answer: D 🗳️

by kozionov at Dec. 8, 2021, 4:17 a.m.

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orjava

7 months ago

Answer B. Nonblocking I/O 1- Put the request in asynchronous mode 2- Obtain an in/output stream from request/response objects. 3- Assign a read/write listener to the stream. 4- Process the request/response inside the listener's callback methods

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