Write a class called book that contains instance data for the title, author, publisher, price, and copyright date. define the book constructor to accept and initialize this data. include setter and getter methods for all instance data. include a tostring method that returns a nicely formatted, multi-line description of the book. write another class called bookshelf, which has name and array of book objects. bookself capacity is maximum of five books. includes method for bookself that adds, removes, isfull( returns boolean), isempty(returns boolean) and tostring method that returns all information about the books in the bookself. create a driver class called testbookshelf, whose main method instantiates five book objects, instantiates one bookshelf, updates the books, and add or remove the books to the bookshelf, isduplicate(book b). make sure to print information on the bookshelf every time you update the books or the bookshelf. add as many api that you think is good to have for the bookshelf class.

i have learnt about the business report to determine the database requirements.

none because it's so obvious

answerthe above statement is (true);

we can all learn from our past mistakes because we all have different ways of learning different types of techniques. my way may or may not another classmate remember and have the repetition to acknowledge such standard. such as remembering acronyms. using abbreviations to us remember keep things in order in our memory. this us figure out what comes next in the sequence. if so, what we have is a sentence of just letters all in caps. we either know the meaning or have no idea what it stands for. most of the time we know the meaning and context. but most of us who don't know, should learn by having a quick glance at what needs to be remembered. such as repetition in the memory for acronyms. one way that me, is the fact that i'm always doing math and english assignments. so we have to remember specific meanings such as soapstone for documents, such as citing correctly. or pemdas for doing the equations correctly, even if it's the super long way. this works for everyone. you just have to find what works for you by practicing and repetition daily.