// reflection/InnerImplementation.java

// (c)2021 MindView LLC: see Copyright.txt

// We make no guarantees that this code is fit for any purpose.

// Visit http://OnJava8.com for more book information.

// Private inner classes can't hide from reflection.

import reflection.interfacea.*;

class InnerA {

private static class C implements A {

@Override public void f() {

System.out.println("public C.f()");

}

public void g() {

System.out.println("public C.g()");

}

void u() {

System.out.println("package C.u()");

}

protected void v() {

System.out.println("protected C.v()");

}

private void w() {

System.out.println("private C.w()");

}

}

public static A makeA() { return new C(); }

}

public class InnerImplementation {

public static void

main(String[] args) throws Exception {

A a = InnerA.makeA();

a.f();

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

// Reflection still gets into the private class:

HiddenImplementation.callHiddenMethod(a, "g");

HiddenImplementation.callHiddenMethod(a, "u");

HiddenImplementation.callHiddenMethod(a, "v");

HiddenImplementation.callHiddenMethod(a, "w");

}

}

/* Output:

public C.f()

InnerA$C

public C.g()

package C.u()

protected C.v()

private C.w()

*/