Question 5

In this declaration: ArrayList polygon; what is the data type of the variable 'polygon'?

ArrayList

ArrayList

Point

None of the above

Array

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 )

x may be any int value

1 thru 7

0 thru 7

0 thru 6

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()

2

0

4

5

3

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 )

0,0

4,8

5,10

12,16

None -- the statement throws a runtime exception