How would you detect a keypress in a JComboBox?
A)Add a KeyListener to the JComboBox
B)Add a KeyListener to the JComboBox's editor component
C)Either (a) or (b)
D)None of the above

Question

Quizplus · Accepted Answer

Adding a KeyListener directly to a JComboBox will not work because the JComboBox does not handle key events in the way a text field does. To detect key presses, you should add a KeyListener to the editor component of the JComboBox, which is responsible for handling text input.

How Would You Detect a Keypress in a JComboBox