Mastering Java: The Ultimate Quiz for 'Thinking in Java'

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Prepare for your Java exam with our ultimate quiz based on 'Thinking in Java'. Engage with expertly crafted questions that enhance your learning process. Perfect for Java enthusiasts looking to solidify their knowledge!

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Which of the following is used to perform operations in the background for as long as the program runs?

Background Service
Cache Pool
Daemon Thread
Async Task

The correct answer is: Daemon Thread

A daemon thread is a type of thread in Java that runs in the background and performs tasks for as long as the program runs. In contrast, a background service is a type of service that runs on a separate process from the main application. While it can also perform tasks in the background, it is typically used for long-running operations that need to continue even when the application is not actively being used. Cache pool is not related to performing operations in the background. It is used for storing frequently used data in a temporary location for faster retrieval. Async task is a concept in Android that allows for performing tasks in a non-UI thread, but it is not designed for long-running background operations. Therefore, the correct answer is C Daemon Thread.