What is the result of the following definition of an array list? ArrayList points; A) The statement causes a compile time error as the size of the array list is not defined. B) The statement creates an array list of size 0. C) The statement creates an array list with unlimited size. D) The statement defines an array list reference but leaves its value as null.

Question

What is the result of the following definition of an array list?
ArrayList<Double> points;
A) The statement causes a compile time error as the size of the array list is not defined.
B) The statement creates an array list of size 0.
C) The statement creates an array list with unlimited size.
D) The statement defines an array list reference but leaves its value as null.

Quizplus · Accepted Answer

The statement defines an ArrayList reference but does not initialize the reference to an object. Therefore, the value of the ArrayList is null.

What Is the Result of the Following Definition of an Array