(TCOs 1, 4, and 6) _____ is used to display a series of items from which the use

Question

(TCOs 1, 4, and 6) _____ is used to display a series of items from which the user may select one or more items.

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Question 23 pts

(TCOs 1, 4, and 6) To allow for any size list to be displayed in a JList, you should

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Question 33 pts

(TCOs 1, 4, and 6) Which of the following is false?

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Question 43 pts

(TCOs 1, 4, and 6) Which method will return the first element in an ArrayList employees?

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Question 53 pts

(TCOs 1, 4, and 6) The number of items visible in a JList can be set using the _____ method.

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Question 63 pts

(TCOs 1, 4, and 6) Which component allows users to access a layer of GUI components via a tab?

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Question 73 pts

(TCOs 1, 4, and 6) The title of the tab is specified using the _____ method.

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Question 83 pts

(TCOs 1, 4, and 6) Suppose ArrayList cities contain the two strings {“Chicago”, “Miami”}. Which of the following methods will cause the list to become {“Chicago”, “Houston”,“Miami”}?

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Question 93 pts

(TCOs 1, 4, and 6) All objects have a _____ method, which returns a String representation of the object.

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Question 103 pts

(TCOs 1, 4, and 6) If your GUI has multiple tabs and you want to know the index of the tab currently selected, use the method

Explanation / Answer

1)_____ is used to display a series of items from which the user may select one or more items.

Answer: JList

Explanation:

JList is used to display a series of items from which the user may select one or more items.

2)To allow for any size list to be displayed in a JList, you should

Answer: create the list in a JScrollPane.

Explanation:

To allow for any size list to be displayed in a JList, you should create the list in a JScrollPane.

3) Which of the following is false?

Answer:

The size of anArrayListcan be determined via itslengthinstancevariable.

4) Which method will return the first element in an ArrayList employees?

Answer:

employees.get(1)

5) The number of items visible in a JList can be set using the _____ method.

Answer: setVisibleRowCount

6)Which component allows users to access a layer of GUI components via a tab

Answer: JTabbedPane

7) The title of the tab is specified using the _____ method.

Answer:

addtab

8) Suppose ArrayList cities contain the two strings {“Chicago”, “Miami”}. Which of the following methods will cause the list to become {“Chicago”, “Houston”,“Miami”}?

Answer:

cities.add(0, “Houston”)

9)All objects have a _____ method, which returns a String representation of the object.

Answer:

toString

Explanation:

All objects in Java have a special method named toString that returns a String representation of the object's contents.

10)If your GUI has multiple tabs and you want to know the index of the tab currently selected, use the method

Answer: getSelectedIndex

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