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

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Dive into the depths of Java with our quiz based on "Thinking in Java, Fourth Edition" by Bruce Eckel. Test your knowledge, solidify concepts, and prepare for certification with challenging questions and insightful feedback.

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

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What exception does the SWT documentation state will arise from updating the UI from different threads?

InterruptedException
InvocationTargetException
SWTException
IllegalThreadStateException

The correct answer is: SWTException

An SWTException is a specialized exception that is thrown when the SWT UI toolkit detects an error or an inconsistency while executing code. This exception can be caused by multiple threads attempting to update the UI at the same time, which can lead to unpredictable and potentially harmful behavior. Option A, InterruptedException, can occur when a thread is interrupted while waiting for a lock; however, it is not the correct answer as it does not specifically address UI updates. Option B, InvocationTargetException, is a general exception thrown when a method is incapable of executing its defined task; it may be caused by multiple threads accessing the same object, but it is not specific to UI updates. Option D, IllegalThreadStateException, is thrown when a thread is trying to utilize a method or operation that is not allowed in its current state; it is not the correct answer because it also does not explicitly pertain to UI updates. It is