Running

Your implementation is correct when there's no failing test after running mvn clean test.

Operation cost

After you're done try these to get a feel for computational cost.

You can run the main method from IntelliJ and pass command-line arguments at the same time like this: https://www.youtube.com/watch?v=kAAbdoq1to8

Access cost

Description: java Main <number of elements> access <index to access>

java Main 100000 access 0
java Main 100000 access 1234
java Main 100000 access 99999

Search cost

Description: java Main <number of elements> search <number to search for>

java Main 100000 search 0
java Main 100000 search 1234
java Main 100000 search 99999

Insertion cost

Description: java Main <number of elements> insert <index to insert at> <number to insert>

java Main 100000 insert 0 42
java Main 100000 insert 1234 42
java Main 100000 insert 99999 42

Deletion cost

Description: java Main <number of elements> delete <index to delete at>

java Main 100000 delete 0
java Main 100000 delete 1234
java Main 100000 delete 99999