Nested Interface

//parent interface
 interface Showable{
    void show();
   
static final class a{
   static final int data=1;// we can create class inside interface
}

//child interface
interface Message{ 
    void msg();
   
}
}

public class ShowInterface implements Showable.Message {

    @Override
    public void msg() {System.out.println("i am in nested interface ");
       
    }
   
    public static void main(String[] args) {
        ShowInterface obj = new ShowInterface(); //obj :- a reference to parent interface
        obj.msg();
    }
}



                      OUTPUT

i am in nested interface