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.

you can access private everything with reflection - methods, constructors, data members, everything. How can I access the private methods and the private data members?

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 …

Object obj; String methodName = "getName"; Without knowing the class of obj, how can I call the method identified by methodName on it? The method being called has no parameters, and a …

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 …

Feb 22, 2013 · I am trying to get an instance of a non-visible class, AKA package private class, using reflection. I was wondering if there was a way to switch the modifiers to make it public …

Nov 15, 2012 · I am trying to obtain a field's value via reflection. The problem is I don't know the field's type and have to decide it while getting the value. This code results with this exception: …

Jan 23, 2019 · It's worth reading Oracle Java Tutorial - Getting and Setting Field Values Field#set (Object object, Object value) sets the field represented by this Field object on the specified …

Jul 20, 2015 · The getType() method of java.lang.reflect.Field already gives you the type, in the form of an instance of Class. What else exactly do you think you need?

Retrieve only static fields declared in Java class Asked 15 years, 4 months ago Modified 6 years, 11 months ago Viewed 116k times