is it neccesary to create a class in java

Answer 1

yes, it is. you should at the very least have the main class.

Answer 2

yes each and every code in java is written inside the class.When the program is compiled . java file is translated into .class file.So when we execute a class jvm finds the corresponding .class file of that particular class and executes it

Answer 3

since java is %100 object oriented so everything is an object, every object uses a class as the blueprint to create the object, you have to have a class.

Answer 4

agree class is mandatory