When the Arrow on a JComboBox Is Clicked

question 50

Multiple Choice

When the arrow on a JComboBox is clicked:

• A)an ItemEvent occurs.
• B)a scrollbar always appears.
• C)an ActionEvent occurs.
• D)The JComboBox expands to a list.

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Definitions:

Radios

Devices used for the wireless transmission and reception of sound through electromagnetic waves.

Televisions

Electronic devices designed for the reception and display of audiovisual content through terrestrial, satellite, cable, or internet sources.

Comparative Advantage

The ability of an individual, firm, or country to produce a good or service at a lower opportunity cost than competitors, leading to specialized trade benefits.

Blankets

Woven coverings used to keep warm, typically utilized during sleeping or resting periods.