java file must have the same name as java file?? true or false?? this is the question and answer in sololearn is true......

Question

but is it necessary u can save .java file with any name and compile in commandline successfully using javac compiler...then u can execute it using class name in which main method is present......so it is not must to have java file name as class file name

Answer 1

hope this is better explanation
https://code.sololearn.com/ch3CMVGBoJvd/?ref=app

Answer 2

thanks martin u cleared one of my mistake now i know if use public class than i must have to save java file name as class name

Answer 3

in question i am talking about .java file not about .class file read it...

Answer 4

ok sorry but ur question was not clear plz can u clearly ask ur question i'll try to answer it if know.

Answer 5

yeah it is not necessary but then i think u would end up compiling that file with the name u provided resulting in a output of. class file with same name u provided and then it will give error.

Answer 6

but at compiling time it is not necessary

Answer 7

i have one more question on arrays how to find contiguous subarrays of an array....
i posted this question and described it properly butno one answered......i want to know algorithm use for that

Answer 8

i have tried it u can try it

Answer 9

if sololearn allow pictures i will post it

Answer 10

my question is sololearn challenge question say .java file must have same name as class name.......but it is not necessary

Answer 11

i lose challenge because of wrong answer of sololearn

Answer 12

yes martin u are right but question is not about declaring public

Answer 13

yes u are right shobit at execution time class in which main method consist of must be give

Answer 14

If you declare your class public, the filename must match the class name. Otherwise this is not mandatory

Answer 15

just try it once it will not going to run.

Answer 16

it ran or not?

Answer 17

i have played a lot with java and if. class file doesnt match with that of class it simply gives error.

Answer 18

look suppose ur. java file is not same as the class name then ur code will compile but it will result in a. class file with the name that u have written and will not be the name of class which has main(), at time of execution jvm try to access that class whose name is something else but as u provided different it will end up in not finding it giving error.

Answer 19

but still, it can create confusion while running program.