need help with all parts, will rate for just that.

What does it mean for a local variable to shadow a field? What is the difference between a constructor, accessor (getter), and mutator (setter)? What is the difference between a class and an instance of the class? Is it a good idea to make fields private? Why or why not? If a class has a private field, what has access to the field? What is the use of constructors? What is meant by the default constructor? Look at the following partial class definition, then respond to the questions that follow it: public class Book private String title; private String author; private String publisher; private int copiesSold; A. Write a constructor for this class. The constructor should accept an argument for each of the fields. B. Write accessor and mutator methods for each field