Relationship between a class to an object?

Answer 1

An object is an instance of a class. A class is the broad definition of something, and an object is one particular one of those. In the real world Dog is a class. A particular individual dog is an object. The class defines what a dog is, what characteristics it has, what it can do etc.

In computing you could have a bank account class, defining characteristics and things that you can do with it. It could define that a bank account has an account number, the owner of the account, a balance, a facility to lodge money, a facility to with draw money etc. That is the case for any bank account. Your bank account is an object, an instance of that class. Your account isn't my account, but both of our accounts are objects and have the characteristics as defined by the bank account class.

Answer 2

CLASSES :

A class is collection of object of similar type of objects. classes are user defined data types behave like the build in types of a programing language.

The objects are variable of type class .

OBJECTS :

Objects are basic run time entites. in object oriented system. They may represent a place. a bank account, a table of data, or any item that the program must handle.They may represent user defined data such as timd, limit.

Answer 3

"Class" appiles to a "type" or "model" of a GROUP of items, objects, or concepts.

"Object" applies to a specific material item or concept, a group of which may comprise a "class".

Answer 4

"An object is an instance of a class," is the typical college distinction between the two.

// In this example, String is the class and s is the object.

String s = "";

Answer 5

In Java class can be thought of as a specification of a type, while an object is an 'instance'. You usually get an object instance via the 'new' operator.

Answer 6

A class is a data structure that contains all of the necessary data and functions necessary to describe a real-world thing. An object is an instance of a class.