Programming Task:

A. Add tostring method to the ABList class that returns the contents of the list as nicely formatted string. You should then use the tostring method, as appropriate, in the rest of this excercise.

B. Create an application TestBasic that demonstarates that the "basic" list operations (add, remove, contains, get . and size) supported by ABList works as expected.

C. Create an application TestIndexed that demonstrates that the index-related list operations supported by ABList worsk as expected.

D. Create an application TestIterator that demonstrates that the iterator-related list operations supported by ABList works as expected.

Repeat the previous excercise except for the LBList class.

please show the work for LB list, I dont need the work for the AB list