Programming and Problem Solving with Java

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b.private static classExampleClass implementsActionListener

{

public voidactionPerformed(ActionEvent event)

{

exampleValue = exampleField.getText();

exampleField.setText("");

}

}

c. exampleButton.addActionListener(exampleHandler);

d.private classExample2Class implementsActionListener

{

public voidactionPerformed(ActionEvent event)

{

exampleLabel.setText(exampleField.getText());

}

}

6.exampleField.setText("2000");

8.JLabel promptLabel;

JLabel countLabel;

JLabel averageLabel;

JTextField inField;

JButton button;

intcount;

inttotal;

12.JPanel myPanel;

myPanel = newJPanel();

myPanel.setLayout(newFlowLayout());

myPanel.add(new JLabel("one"));

myPanel.add(new JLabel("two"));

myPanel.add(new JLabel("three"));

Chapter 9 Exam Preparation Exercises

1.Use a try-catchstatement.

4.False

6.A switchexpression is the expression in a switchstatement whose value

determines which case label is selected.

A pretest loop is a loop in which the test occurs before the body of the loop. If the

loop expression is false, the loop body is not executed.

A posttest loop is a loop in which the test occurs after the loop body. The body of a

posttest loop always executes at least once.