abstract class with out abstract methods

package funds;
// abstract class with out any abstract method
/* Sun people flow the same thing In case of Servlet API HttpServlet 
  is abstract class but there is no abstract methods in that class */ 

abstract class Absclass {
    void m1()
    {
        System.out.println("this m1 impl");
    }
    void m2()
    {
        System.out.println("this m2 imple");
    }
}

public class WithoutAbstract extends Absclass
{
    public static void main(String arg[])
    {
        WithoutAbstract w=new WithoutAbstract();
        w.m1();
        w.m2();
    }
}

output:
this m1 impl
this m2 imple