JAVA 1.In this declaration: ArrayList polygon; what is the data type of the vari

Question

JAVA

1.In this declaration:

ArrayList polygon;

what is the data type of the variable 'polygon'?

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

What value is returned by the following expression?

plot.size()

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

Which Point is returned by the following expression?

plot.get( 1 )

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

Which Point is returned by the following expression?

plot.get( 2 )

Explanation / Answer

Question 1:

what is the data type of the variable 'polygon'

Answer: Object

Question 2:

Answer: Size is 4

Question 3:

Answer: 5,10

Question 4:

Answer: 4,8

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