Sets up the circle correctly but ...
delete does not work for last patient and
does not work properly for first.

Output:
$ java E06CircularList
There are 10 patients:
 Patient "John" is 31 years and suffers from "Tuberculosis"	is followed by Patient "Mary" is 62 years and suffers from "Meningitis"
 Patient "Mary" is 62 years and suffers from "Meningitis"	is followed by Patient "Harry" is 23 years and suffers from "Ebola"
 Patient "Harry" is 23 years and suffers from "Ebola"		is followed by Patient "Henry" is 4 years and suffers from "Measles"
 Patient "Henry" is 4 years and suffers from "Measles"		is followed by Patient "Lucy" is 15 years and suffers from "Acne"
 Patient "Lucy" is 15 years and suffers from "Acne"		is followed by Patient "Larry" is 46 years and suffers from "HIV"
 Patient "Larry" is 46 years and suffers from "HIV"		is followed by Patient "Henry" is 47 years and suffers from "Broken leg"
 Patient "Henry" is 47 years and suffers from "Broken leg"	is followed by Patient "Kate" is 78 years and suffers from "Dementia"
 Patient "Kate" is 78 years and suffers from "Dementia"		is followed by Patient "Elizabeth" is 109 years and suffers from "Bone loss"
 Patient "Elizabeth" is 109 years and suffers from "Bone loss"	is followed by Patient "Nigel" is 10 years and suffers from "Diabetes"
 Patient "Nigel" is 10 years and suffers from "Diabetes"	is followed by Patient "John" is 31 years and suffers from "Tuberculosis"
Delete the 2nd older Henry returns true
There are 9 patients:
 Patient "John" is 31 years and suffers from "Tuberculosis"	is followed by Patient "Mary" is 62 years and suffers from "Meningitis"
 Patient "Mary" is 62 years and suffers from "Meningitis"	is followed by Patient "Harry" is 23 years and suffers from "Ebola"
 Patient "Harry" is 23 years and suffers from "Ebola"		is followed by Patient "Henry" is 4 years and suffers from "Measles"
 Patient "Henry" is 4 years and suffers from "Measles"		is followed by Patient "Lucy" is 15 years and suffers from "Acne"
 Patient "Lucy" is 15 years and suffers from "Acne"		is followed by Patient "Larry" is 46 years and suffers from "HIV"
 Patient "Larry" is 46 years and suffers from "HIV"		is followed by Patient "Kate" is 78 years and suffers from "Dementia"
 Patient "Kate" is 78 years and suffers from "Dementia"		is followed by Patient "Elizabeth" is 109 years and suffers from "Bone loss"
 Patient "Elizabeth" is 109 years and suffers from "Bone loss"	is followed by Patient "Nigel" is 10 years and suffers from "Diabetes"
 Patient "Nigel" is 10 years and suffers from "Diabetes"	is followed by Patient "John" is 31 years and suffers from "Tuberculosis"
Delete the last patient Nigel returns false
There are 9 patients:
 Patient "John" is 31 years and suffers from "Tuberculosis"	is followed by Patient "Mary" is 62 years and suffers from "Meningitis"
 Patient "Mary" is 62 years and suffers from "Meningitis"	is followed by Patient "Harry" is 23 years and suffers from "Ebola"
 Patient "Harry" is 23 years and suffers from "Ebola"		is followed by Patient "Henry" is 4 years and suffers from "Measles"
 Patient "Henry" is 4 years and suffers from "Measles"		is followed by Patient "Lucy" is 15 years and suffers from "Acne"
 Patient "Lucy" is 15 years and suffers from "Acne"		is followed by Patient "Larry" is 46 years and suffers from "HIV"
 Patient "Larry" is 46 years and suffers from "HIV"		is followed by Patient "Kate" is 78 years and suffers from "Dementia"
 Patient "Kate" is 78 years and suffers from "Dementia"		is followed by Patient "Elizabeth" is 109 years and suffers from "Bone loss"
 Patient "Elizabeth" is 109 years and suffers from "Bone loss"	is followed by Patient "Nigel" is 10 years and suffers from "Diabetes"
 Patient "Nigel" is 10 years and suffers from "Diabetes"	is followed by Patient "John" is 31 years and suffers from "Tuberculosis"
Remove the first patient John
There are 8 patients:
 Patient "Mary" is 62 years and suffers from "Meningitis"	is followed by Patient "Harry" is 23 years and suffers from "Ebola"
 Patient "Harry" is 23 years and suffers from "Ebola"		is followed by Patient "Henry" is 4 years and suffers from "Measles"
 Patient "Henry" is 4 years and suffers from "Measles"		is followed by Patient "Lucy" is 15 years and suffers from "Acne"
 Patient "Lucy" is 15 years and suffers from "Acne"		is followed by Patient "Larry" is 46 years and suffers from "HIV"
 Patient "Larry" is 46 years and suffers from "HIV"		is followed by Patient "Kate" is 78 years and suffers from "Dementia"
 Patient "Kate" is 78 years and suffers from "Dementia"		is followed by Patient "Elizabeth" is 109 years and suffers from "Bone loss"
 Patient "Elizabeth" is 109 years and suffers from "Bone loss"	is followed by Patient "Nigel" is 10 years and suffers from "Diabetes"
 Patient "Nigel" is 10 years and suffers from "Diabetes"	is followed by Patient "John" is 31 years and suffers from "Tuberculosis"
Exercise 6 circular lists finished ...
Program output:
$ java E06CircularList
There are 10 patients:
 Patient "John" is 31 years and suffers from "Tuberculosis"	is followed by Patient "Mary" is 62 years and suffers from "Meningitis"
 Patient "Mary" is 62 years and suffers from "Meningitis"	is followed by Patient "Harry" is 23 years and suffers from "Ebola"
 Patient "Harry" is 23 years and suffers from "Ebola"		is followed by Patient "Henry" is 4 years and suffers from "Measles"
 Patient "Henry" is 4 years and suffers from "Measles"		is followed by Patient "Lucy" is 15 years and suffers from "Acne"
 Patient "Lucy" is 15 years and suffers from "Acne"		is followed by Patient "Larry" is 46 years and suffers from "HIV"
 Patient "Larry" is 46 years and suffers from "HIV"		is followed by Patient "Henry" is 47 years and suffers from "Broken leg"
 Patient "Henry" is 47 years and suffers from "Broken leg"	is followed by Patient "Kate" is 78 years and suffers from "Dementia"
 Patient "Kate" is 78 years and suffers from "Dementia"		is followed by Patient "Elizabeth" is 109 years and suffers from "Bone loss"
 Patient "Elizabeth" is 109 years and suffers from "Bone loss"	is followed by Patient "Nigel" is 10 years and suffers from "Diabetes"
 Patient "Nigel" is 10 years and suffers from "Diabetes"	is followed by Patient "John" is 31 years and suffers from "Tuberculosis"
Delete the 2nd older Henry returns true
There are 9 patients:
 Patient "John" is 31 years and suffers from "Tuberculosis"	is followed by Patient "Mary" is 62 years and suffers from "Meningitis"
 Patient "Mary" is 62 years and suffers from "Meningitis"	is followed by Patient "Harry" is 23 years and suffers from "Ebola"
 Patient "Harry" is 23 years and suffers from "Ebola"		is followed by Patient "Henry" is 4 years and suffers from "Measles"
 Patient "Henry" is 4 years and suffers from "Measles"		is followed by Patient "Lucy" is 15 years and suffers from "Acne"
 Patient "Lucy" is 15 years and suffers from "Acne"		is followed by Patient "Larry" is 46 years and suffers from "HIV"
 Patient "Larry" is 46 years and suffers from "HIV"		is followed by Patient "Kate" is 78 years and suffers from "Dementia"
 Patient "Kate" is 78 years and suffers from "Dementia"		is followed by Patient "Elizabeth" is 109 years and suffers from "Bone loss"
 Patient "Elizabeth" is 109 years and suffers from "Bone loss"	is followed by Patient "Nigel" is 10 years and suffers from "Diabetes"
 Patient "Nigel" is 10 years and suffers from "Diabetes"	is followed by Patient "John" is 31 years and suffers from "Tuberculosis"
Delete the last patient Nigel returns true
There are 8 patients:
 Patient "John" is 31 years and suffers from "Tuberculosis"	is followed by Patient "Mary" is 62 years and suffers from "Meningitis"
 Patient "Mary" is 62 years and suffers from "Meningitis"	is followed by Patient "Harry" is 23 years and suffers from "Ebola"
 Patient "Harry" is 23 years and suffers from "Ebola"		is followed by Patient "Henry" is 4 years and suffers from "Measles"
 Patient "Henry" is 4 years and suffers from "Measles"		is followed by Patient "Lucy" is 15 years and suffers from "Acne"
 Patient "Lucy" is 15 years and suffers from "Acne"		is followed by Patient "Larry" is 46 years and suffers from "HIV"
 Patient "Larry" is 46 years and suffers from "HIV"		is followed by Patient "Kate" is 78 years and suffers from "Dementia"
 Patient "Kate" is 78 years and suffers from "Dementia"		is followed by Patient "Elizabeth" is 109 years and suffers from "Bone loss"
 Patient "Elizabeth" is 109 years and suffers from "Bone loss"	is followed by Patient "John" is 31 years and suffers from "Tuberculosis"
Remove the first patient John
There are 7 patients:
 Patient "Mary" is 62 years and suffers from "Meningitis"	is followed by Patient "Harry" is 23 years and suffers from "Ebola"
 Patient "Harry" is 23 years and suffers from "Ebola"		is followed by Patient "Henry" is 4 years and suffers from "Measles"
 Patient "Henry" is 4 years and suffers from "Measles"		is followed by Patient "Lucy" is 15 years and suffers from "Acne"
 Patient "Lucy" is 15 years and suffers from "Acne"		is followed by Patient "Larry" is 46 years and suffers from "HIV"
 Patient "Larry" is 46 years and suffers from "HIV"		is followed by Patient "Kate" is 78 years and suffers from "Dementia"
 Patient "Kate" is 78 years and suffers from "Dementia"		is followed by Patient "Elizabeth" is 109 years and suffers from "Bone loss"
 Patient "Elizabeth" is 109 years and suffers from "Bone loss"	is followed by Patient "Mary" is 62 years and suffers from "Meningitis"

Appears OK