How to run single Java file from a project in Eclipse?

Question

I want to run one Java file from a project in Eclipse. There is code to insert into database in that Java file, I want to check from that single file whether its working or

Answer 1

Sure, you just need a main function for any independent file.

Create a class like so:

public class HelloWorld
{
    public static void main(String[] args) {
        System.out.println("Hello World");

    }

}

and run that.