Java
TOPIC 37 – CONSTRUCTORS II
AP EXTRA

AP LESSON WORK

QUESTION 1

Consider the Book class from the previous AP lesson. Let's pretend it will now be used inside of a video game as a randomly generated item.

You need to add a constructor that has no parameters. It randomly generates an author, title and year. Be creative.

QUESTION 2

Create a Line class. It will represent a line object. Its data fields are two Point objects. So you will need the Point class in your project.

You need the following constructors:

Constructor #1 gets a Point object as parameter for each data field.

Constructor #2 gets four double values representing x1, y1 and x2, y2. You need to create the Point objects inside the constructor.

Constructor #3 gests no parameters. It creates a line from (0,0) to (100,100).

Test your Line class and each constructor.