public int size() {
        return first.routes().size() + other.routes().size() + last.routes().size();
    }
public int size() {
        return first.routes().size() + other.routes().size() + last.routes().size();
    }
public int size ( ) { return first . routes ( ) . size ( ) + other . routes ( ) . size ( ) + last . routes ( ) . size ( ) ; }
Returns the number of routes in this router.
Returns the number of routes in this router .