The Variable Panel References a JPanel Object

question 1

Multiple Choice

The variable panel references a JPanel object. The variable bGroup references a ButtonGroup object, which contains several button components. If you want to add the buttons to the panel:

• A) use the statement, panel.add(bGroup);
• B) use the statement, bGroup.add(panel);
• C) use the statement, Panel panel = new Panel(bGroup);
• D) add each button to panel one at a time, e.g. panel.add(button1);

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Definitions:

Civil Engineering

The professional engineering discipline that deals with the design, construction, and maintenance of the physical and naturally built environment, including works like roads, bridges, canals, dams, and buildings.

Greenhouse Effect

A natural process by which certain gases in the Earth's atmosphere trap heat, warming the planet and making it habitable, but which is exacerbated by human activities leading to climate change.

Environmental Issues

Problems related to the natural environment, including pollution, climate change, and biodiversity loss.

Environmental Costs

The negative impacts on the environment resulting from human activities, including pollution, resource depletion, and habitat destruction.