Understanding the relationship between void and main in Java public static void main (String[]args)

public static void main(String[]) cannot return a value with return.Writing such code results in a compilation error.

If there is such a code in any reference document, it may be a document error or misreading.

when return value is required int main(...)

using

if no return value is required void main(...)
That's all I have to say

In , you cannot use these two at the same time.

Is it okay to say #?

For your information, if you want to return the results to the operating system in main, you can use System.exit; to complete the process to determine whether the operating system is successful or abnormal.