Sep 1, 2008 · What is reflection, and why is it useful? I'm particularly interested in Java, but I assume the principles are the same in any language.

Aug 29, 2008 · How do I use JUnit to test a class that has internal private methods, fields or nested classes? It seems bad to change the access modifier for a method just to be able to …

Use method invocation from reflection: Class<?> c = Class.forName("class name"); Method method = c.getDeclaredMethod("method name", parameterTypes); …

Retrieve only static fields declared in Java class Asked 15 years, 2 months ago Modified 6 years, 9 months ago Viewed 116k times

Dec 6, 2013 · How can I access an inherited protected field from an object by reflection?

Feb 6, 2009 · Is it possible to find all classes or interfaces in a given package? (Quickly looking at e.g. Package, it would seem like no.)

The key is that when Java determines this Type object, it uses type information present in the child to associate type information with our type parameters in the new ParameterizedType …

Oct 11, 2014 · During the last years I always thought that in Java, Reflection is widely used during Unit testing. Since some of the variables/methods which have to be checked are private, it is …

Jul 21, 2010 · I have a class with a private static final field that, unfortunately, I need to change it at run-time. Using reflection I get this error: java.lang.IllegalAccessException: Can not set …

Apr 12, 2013 · I have a a static method in some legacy code, which is called by multiple clients. I obviously have no options to override it, or change behaviour through dependency injection. I …