Question 5 3 pts Edit this Question Delete this Question 0 multiple_choice_quest

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Question 5 3 pts

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0 multiple_choice_question 790654

<font>(TCOs 1, 3, and 6) The extends keyword in a class declaration indicates the use of</font>

(TCOs 1, 3, and 6) The extends keyword in a class declaration indicates the use of

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Question 6 3 pts

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0 multiple_choice_question 790655

<font>(TCOs 1, 3, and 6) The implements keyword in a class declaration indicates the use of</font>

(TCOs 1, 3, and 6) The implements keyword in a class declaration indicates the use of

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Question 7 3 pts

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0 multiple_choice_question 790659

<font>(TCOs 1, 3, and 6) AWT</font>

(TCOs 1, 3, and 6) AWT

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Question 8 3 pts

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0 multiple_choice_question 790663

<font>(TCOs 1, 3, and 6) Which method must be used to register the event handler called eHandler to a JButton component called btnNew?</font>

(TCOs 1, 3, and 6) Which method must be used to register the event handler called eHandler to a JButton component called btnNew?

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Question 9 3 pts

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0 multiple_choice_question 790664

<font>(TCOs 1, 3, and 6) Assume you have a text field named txtAddress. Which of the following statements gets the text from the text field and stores it in a String object named comments?</font>

(TCOs 1, 3, and 6) Assume you have a text field named txtAddress. Which of the following statements gets the text from the text field and stores it in a String object named comments?

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Question 10 3 pts

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0 multiple_choice_question 790669

<font>(TCOs 1, 3, and 6) The handler (e.g., actionPerformed) is a required method in</font>

(TCOs 1, 3, and 6) The handler (e.g., actionPerformed) is a required method in

interfaces.

Explanation / Answer

Question 5

Inheritance

eg class Horse extends Animal

Question 6

Interfaces

implements keyword is used to interfaces

Question 7

All of the above

AWT is the oldest Java GUI library.

Question 8

btnNew.addActionListener(eHandler);

Question 9

comments = txtAddress.getText();

getText() methos is used to get the text of textField.

Question 10

a listener object

uses the native widgets from the operating system.

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