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Answer:

The add() method, as with any component.

Class JSlider

vertical slider

The pictures show a variety of sliders. Sliders may be oriented horizontally or vertically. The tick marks and labels are part of the slider. These may be displayed, or not, as an option.

horizontal slider horizontal slider

Click on and drag the knob to adjust values. As you drag the knob, ChangeEvents are generated.

QUESTION 2:

(Take a Guess: ) What type of listener responds to a ChangeEvent?