Method GetSelectedIndex of Class JComboBox Returns

question 35

Multiple Choice

Method getSelectedIndex of class JComboBox returns:

• A) the index of the selected item in the JComboBox.
• B) the selected item in the JComboBox, as a String.
• C) the index of the previously selected item.
• D) None of the above.

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Definitions:

Unit Costs

The expense a business incurs to manufacture, warehouse, and distribute a single unit of a specific product or service.

Entire Output

The total amount of goods or services produced by a company, industry, or country within a specific period.

Economies of Scale

Cost advantages reaped by companies when production becomes efficient, leading to a decrease in cost per unit as output increases.

Learning-by-doing

An economic concept that suggests productivity and efficiency improve through practice and the accumulation of experience.