Question 1:

Which of the following is true? Select all that apply.

a. Constructors can invoke other methods in the class.

b. A class can only have one constructor.

c. Constructors always have the same name as the class.

d. The compiler always creates a default constructor (a constructor with no arguments) for a class.

e. Constructors are used to initialize instance variables. Question 2: Write a class header for a class that would represent a car. ----------------------------------------------------- In the next few questions, write a complete class called Book (described below). A book is described by a title, author, ISBN code (see below), and publication year. ISBN code is a unique 13-digit code assigned to all books. Codes might contain dashes. For example, the code for our textbook is 978-0133807806. Question 3: Write the class header and the instance data variables for the Book class. Question 4: Write a constructor for the Book class. The constructor should initialize the instance data variables using parameters. Question 5: Write accessor and mutator (getter and setter) methods. Include validity checking where appropriate. Question 6: Write a toString method to return a nicely formatted, multi-line description of the book. Question 7: Write code that would go inside of a main method. The code should create three book objects and invoke at least two methods on each object. Also include a statement to print a text representation of one of the books to the console.