Difference between object and class
There are many differences between object and class. A list of differences between object and class are given below:
| No. |
Object |
Class |
| 1) |
Object is an instance of a class. |
Class is a blueprint or template from which objects are created. |
| 2) |
Object is a real world entity such as pen, laptop, mobile, bed, keyboard, mouse, chair etc. |
Class is a group of similar objects. |
| 3) |
Object is a physical entity. |
Class is a logical entity. |
| 4) |
Object is created through new keyword mainly e.g.
Student s1=new Student(); |
Class is declared using class keyword e.g.
class Student{} |
| 5) |
Object is created many times as per requirement. |
Class is declared once. |
| 6) |
Object allocates memory when it is created. |
Class doesn’t allocated memory when it is created. |
| 7) |
There are many ways to create object in java such as new keyword, newInstance() method, clone() method, factory method and deserialization. |
There is only one way to define class in java using class keyword. |
Let’s see some real life example of class and object in java to understand the difference well:
Class: Human Object: Man, Woman
Class: Fruit Object: Apple, Banana, Mango, Guava wtc.
Class: Mobile phone Object: iPhone, Samsung, Moto
Class: Food Object: Pizza, Burger, Samosa
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