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 790857

<font>(TCOs 1, 4, and 6) Every event object has the _____ method that returns the object that triggered the event.</font>

(TCOs 1, 4, and 6) Every event object has the _____ method that returns the object that triggered the event.

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Question 6 3 pts

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0 multiple_choice_question 790860

<font>(TCOs 1, 4, and 6) Which statement is used to place the component lblMessage on a JPanel panel1?</font>

(TCOs 1, 4, and 6) Which statement is used to place the component lblMessage on a JPanel panel1?

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Question 7 3 pts

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0 multiple_choice_question 790864

<font>(TCOs 1, 4, and 6) A JMenu component can contain one or more _____ components.</font>

(TCOs 1, 4, and 6) A JMenu component can contain one or more _____ components.

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Question 8 3 pts

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0 multiple_choice_question 790866

<font>(TCOs 1, 4, and 6) JCheckBox supports multiple listeners for event handling. Which listener is NOT supported by JRadioButton?</font>

(TCOs 1, 4, and 6) JCheckBox supports multiple listeners for event handling. Which listener is NOT supported by JRadioButton?

Explanation / Answer

1-getSource()-It is an event object that contains a reference to the component that triggered the event.To extract the reference from the object use object.getSource();.

2-panel1.addComponent(lblMessage)- the addComponent(component) method is used to place the component on a jPanel.

3-jMenuItem- a jMenu bar has one jMenuBar and it contain Multiple jMenu Itmes that is multiple items can be placed in a jMenu.

4-WindowListner- The jRadioButton supports action listner for the action performed,ItemListner for the selected item ,ChangeListner for the change of state but does not use WindowListener rather it uses windowBuilder.

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