package typeinfo;

import typeinfo.packageaccess.*;

import typeinfo.interfacea.*;

import java.lang.reflect.*;

/**

* RUN:

* javac typeinfo/HiddenImplementation.java && java typeinfo.HiddenImplementation

* OUTPUT:

* public C.f()

* typeinfo.packageaccess.C

* package C.u()

* protected C.v()

* private C.w()

*/

public class HiddenImplementation {

public static void main(String[] args) throws Exception {

A a = HiddenC.makeA();

a.f();

System.out.println(a.getClass().getName());

// Compilation erroe here!

/*

if (a instanceof C) {

C c = (C)a;

c.g();

}

*/

callHiddenMethod(a, "u");

callHiddenMethod(a, "v");

callHiddenMethod(a, "w");

}

static void callHiddenMethod(Object a, String methodName) throws Exception {

Method g = a.getClass().getDeclaredMethod(methodName);

g.setAccessible(true);

g.invoke(a);

}

}