Read the following text, and choose the correct answer:

They are the real world or software world entities which possess different characteristics and common behaviour described within the class.

Which of the following concept of Object Oriented Programming describe?

1. Class
2. Object
3. Quality
4. Category

Which keyword allocates objects in dynamic memory?

1. this
2. private
3. new
4. int

An object is an instance of a:

1. function
2. state
3. data
4. class

Write a difference between class and object.