Ringbuffer(0):[]
Ringbuffer(5):[0.0, 1.0, 2.0, 3.0, 4.0]
Ringbuffer(0):[]
Ringbuffer(1):[11.0]
Ringbuffer(2):[11.0, 12.0]
Ringbuffer(3):[11.0, 12.0, 13.0]
Ringbuffer(4):[11.0, 12.0, 13.0, 14.0]
Ringbuffer(5):[11.0, 12.0, 13.0, 14.0, 15.0]
11.0	Ringbuffer(4):[12.0, 13.0, 14.0, 15.0]
12.0	Ringbuffer(3):[13.0, 14.0, 15.0]
13.0	Ringbuffer(2):[14.0, 15.0]
14.0	Ringbuffer(1):[15.0]
15.0	Ringbuffer(0):[]
Ringbuffer(1):[1.0]
Ringbuffer(2):[1.0, 2.0]
Ringbuffer(3):[1.0, 2.0, 3.0]
Ringbuffer(2):[2.0, 3.0]
Ringbuffer(3):[2.0, 3.0, 4.0]
Ringbuffer(4):[2.0, 3.0, 4.0, 5.0]
Ringbuffer(5):[2.0, 3.0, 4.0, 5.0, 6.0]
Ringbuffer(5):[3.0, 4.0, 5.0, 6.0, 7.0]
Ringbuffer(4):[4.0, 5.0, 6.0, 7.0]
first element: 4.0
Ringbuffer(5):[4.0, 5.0, 6.0, 7.0, 8.0]
first element: 4.0
caught NoSuchElementException trying to delete from an empty buffer
caught NoSuchElementException trying to peek in an empty buffer