bookTest.java prints out author arrayList, but not isbn -
requirements: accommodate multiple authors using 1 of components java collection framework. requires 1 book isbn , collection of authors. junit: guidance testvalidate: test @ least 2 cases (one case book properties hold correct data types , not empty nor hold null value, 1 not). guidance testequals: test @ least 2 cases (one case authors , isbn match, 1 not). test @ least 2 authors. teacher told me: testequals need add isbn , 2 authors. create arraylist. add 2 authors it. create book object , add arraylist instance , isbn. think that's have done, authors printing, isbns not. total newbie , @ loss! can help? edit/addition got isbn print, printing second isbn have. need change both of them print? or matter? here output: testsuite: library.domain.booktest equals author list: [bob smith, jane doe] isbn: 67890 validate author list: [bob smith, jane doe] isbn: 67890 tests run: 2, failures: 0, errors: 0, skipped: 0, time elapsed: 0.23 sec ------------- standard output ------...