What if we dont create a class

Answer 1

You could also add a text file, change the extension to .java and compile it with the javac from the console. But I guess right click, new class from the ide is easier ;)

Answer 2

You need at least one class that contains the main method ;)

Answer 3

In general? As many as you need.

Answer 4

thank you

Answer 5

how many class can we add

Answer 6

is that the only way to add class(right click src folder create class)