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 SWT widget does the SineWave class use to allow user interaction?

Button
Slider
Text
List

The correct answer is: Slider

The SineWave class uses a Slider widget to allow user interaction. Slider allows the user to select from a range of values by dragging a knob along a track. This is different from a Button, which is a simple control that can not support a range of values. Text and List are also incorrect because they are used for input and selection respectively, and do not allow for interactive manipulation of values. In contrast, Slider provides a visually intuitive way for users to interact with the SineWave class.