Question 5 3 pts

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0 multiple_choice_question 790654

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

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

interfaces.

polymorphism.

composition.

inheritance.

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Question 6 3 pts

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0 multiple_choice_question 790655

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

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

interfaces.

polymorphism.

composition.

inheritance.

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Question 7 3 pts

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0 multiple_choice_question 790659

(TCOs 1, 3, and 6) AWT

(TCOs 1, 3, and 6) AWT

is the oldest Java GUI library.

uses the native widgets from the operating system.

is not recommended for modern application development due to programs with cross-platform portability.

All of the above

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Question 8 3 pts

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0 multiple_choice_question 790663

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

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

btnNew.setHandler(eHandler);

btnNew.addActionListener(eHandler);

eHandler.addActionListener(btnNew);

btnNew.eHandler();

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Question 9 3 pts

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0 multiple_choice_question 790664

(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?

(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?

comments = txtAddress.getText();

comments = txtAddress.getString();

txtAddress.getText(comments);

comments.getText(txtAddress);

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Question 10 3 pts

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0 multiple_choice_question 790669

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

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

both source and listener objects.

a listener object.

a source object.

the Object class.