a) Front pointer points to first element; rear pointer points to the last element
b) Rear pointer points to first element; front pointer points to the last element
c) Front and read pointers point to the first element
d) Front pointer points to the first element; rear pointer points to null object
Meghna MittalBegginer
c
Explanation: CircularQueue implementation is an abstract class where first and rear pointer point to the same object.