Question regarding Java ArrayList

Question 6

If this method call: myList.size() returns the value 7, what is the range of legal values allowed for the variable x in the following method call? myList.get( x )

1 thru 7

x may be any int value

0 thru 6

0 thru 7

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Question 7

Assume that the following code has been executed (same for Questions 7 thru 10):

ArrayList plot = new ArrayList(); Point p = new Point( 12, 16 ); plot.add( p ); plot.add( new Point( 0, 0 ) ); plot.add( new Point( 4, 8 ) ); plot.add( 2, new Point( 5, 10 ) ); p = plot.get( 0 ); p = plot.remove( 1 ); plot.add( new Point( -5, 5 ) );

What value is returned by the following expression? plot.size()

4

3

5

0

2

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Question 8

Assume that the following code has been executed (same for Questions 7 thru 10):

ArrayList plot = new ArrayList(); Point p = new Point( 12, 16 ); plot.add( p ); plot.add( new Point( 0, 0 ) ); plot.add( new Point( 4, 8 ) ); plot.add( 2, new Point( 5, 10 ) ); p = plot.get( 0 ); p = plot.remove( 1 ); plot.add( new Point( -5, 5 ) );

Which Point is returned by the following expression? plot.get( 1 )

4,8

0,0

12,16

None -- the statement throws a runtime exception

5,10

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Question 9

Assume that the following code has been executed (same for Questions 7 thru 10):

ArrayList plot = new ArrayList(); Point p = new Point( 12, 16 ); plot.add( p ); plot.add( new Point( 0, 0 ) ); plot.add( new Point( 4, 8 ) ); plot.add( 2, new Point( 5, 10 ) ); p = plot.get( 0 ); p = plot.remove( 1 ); plot.add( new Point( -5, 5 ) );

Which Point is returned by the following expression? plot.get( 2 )

0,0

4,8

None -- the statement throws a runtime exception

12,16

-5,5