Java™ How To Program (Early Objects), Tenth Edition

3.2.1 Account Class with an Instance Variable, a set Method and a get Method

Different accounts typically have different names. For this reason, class Account (Fig. 3.1) contains a name instance variable. A class’s instance variables maintain data for each object (that is, each instance) of the class. Later in the chapter we’ll add an instance variable named balance so we can keep track of how much money is in the account. Class Account contains two methods—method setName stores a name in an Account object and method getName obtains a name from an Account object.

Class Declaration

The class declaration begins in line 5:

public class Account

The keyword public (which Chapter 8 explains in detail) is an access modifier. For now, we’ll simply ...