Question
Questions 9, 11, 15, 19, 24, 26, 29, 33, 35, 43, 52, 57, 63, 64, 65 all require pictures to answer, the link to the
Questions 9, 11, 15, 19, 24, 26, 29, 33, 35, 43, 52, 57, 63, 64, 65 all require pictures to answer, the link to the associated pictures is provided below
https://drive.google.com/open?id=0B8Jh4LT8NcplaGhTVFpJOEhLcU0
Question 7
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Pick the proper completion for the following:
You want to know when the mouse was moved or dragged. You will need some class which _______________.
If you have the MouseListener interface implemented in a class, just override this class and add the MouseDragged and MouseMoved routines.
implements the MouseMotionListener interface
implements the MouseDragged interface
extends the MouseDraggedAbstract class
3 points
Question 8
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Which of the following interfaces form the framework for an unsorted, unordered data structure that uses keys to access elements?
List
Map
Set
Collection
3 points
Question 9
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Which of the following statements is true?
The second call to: list.add( "3");
will generate an exception because a Set class only allows one instance of the same object.
The output is: 23
The output is: 233
We shouldn't be using an Iterator here. TreeSet does not have an appropriate Iterator.
3 points
Question 10
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Which of the following interfaces form the framework for a sorted data structure that uses keys to access elements?
SortedMap
SortedSet
SortedDataStructure
Set
3 points
Question 11
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Which of the following is true?
list will be properly sorted
A compile error occurs because the Collections sort routine wants a List class not an ArrayList class.
an exception will be thrown when it is discovered that the Data class is not derived from the compareTo class
an exception will be thrown when it is discovered that the Data class does not have an equals routine
an exception will be thrown when it is discovered that the Data class does not implement the Comparable interface
3 points
Question 12
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This class allows a Thread to bind to a TCP/IP port number and receive connect requests from clients who desire the service provided with this application
Socket
InetAddr
TcpIp
ServerSocket
3 points
Question 13
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Which of the following interfaces works well for a data structure that can be used for a queue?
List
Map
Collection
Set
3 points
Question 14
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Which of the following interfaces form the framework for a nonduplicating, unsorted, unordered collection ?
Set
Collection
List
Map
3 points
Question 15
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We want to sort the list object. Which of the following statements will do a sort if we add the input after the line //Sort list
You must change something in lines 5 through 7
Collection.sort((ArrayList)list);
list.sort((ArrayList)list);
Collections.sort((List)list);
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