how classe are very important in java？？

Question

java

Answer 1

Class is one of the core principles of OOP.
Without it you cant creat objects.
And without objects, you cant have OOP

Answer 2

Actually, you can have objects without class. Just not in Java.

Answer 3

Class is a key concept in object oriented programming. Java is an object oriented programming, then Class is a key concept in Java 😃