Java

Two fundamental concepts in object-oriented programming are that of classes and

objects. A

class

can be regarded as an object template: it describes how an object looks and

operates. We may have a bank account class that holds details such as account number, account

name, and balance. These are defined by member variables that are said to define the

state

of

the class. Examples of operations associated with the bank account class are making a deposit

or a withdrawal.

Operations,

or methods in object-oriented terminology, are said to define the

behavior of a class. An

object

is an instance of a class. Corresponding to ...