Classes

Consider a database of student records for the university. What kind of data would be associated with each student?

• Download the Lab9 BlueJ project. It defines a new class Student which contains some student information
• Create students a number of students in BlueJ. Use the Inspector to examine their fields.
• Use the getName() method to access the student’s name.
• Write your own accessor methods to get the address and year enrolled.
• Add a field to record the student’s gender. Update the constructor to initialise this value appropriately using a parameter. Add an accessor method.
• Add a field to record the student’s age. Update the constructor to initialise the age to the default value of 18.
• Add a second constructor that allows you to specify an age other than the default.
• Add a static final constant to the class for the default age, to avoid using 18 as a magic number in your code.

Consider designing a class representing a car in a database for a used car lot.

• What kinds of data would be recorded about each car?
• What are the types of this data?
• Write a Car class representing an entry in this database. Give it:
  1. Fields recording the above data.
  2. A public constructor.
  3. Public accessor methods to read the data.