OnJava8-Examples/typeinfo/packageaccess/HiddenC.java

// typeinfo/packageaccess/HiddenC.java
package typeinfo.packageaccess;
import typeinfo.interfacea.*;

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