serve static and non-static

public class oop1 {

    static void raman()
    {
        System.out.println("hello world");
    }

    public void ajit()
    {
        System.out.println("my name is khan");
    }

    public static void main(String[] args)
    {
        
       //to serve static we dont require object
            raman();
            // to serve non-static file we require object
            oop1 obj12=new oop1();
            obj12.ajit();

    }
}