I hope this helps you . First, you cannot have a Service that is an ordinary nested class. It would have to be a static nested class. Second, having a Service that is a static nested class of an Activity is very strange.
How does default constructor used to instantiate object if it's super class no argument constructor has empty body?
hop of those help? default constructor invoke no_argument constructor in super class reference and this last constructor used to instantiate object from this class,How ? i mean what does superclass constructor body exactly do ? , The syntax for calling a superclass constructor is
Child a = new Child() ;