Checking attribute exists in JSP

Question

I have some classes which extends a superclass, and in the JSP I want to show some attributes of these classes. I only want to make one JSP, but I don\'t know in advance if the

Answer 1

The accepted answer may have some side effects when I just want to test if the object has a field, but do not want to output the value of the field. In the mentioned case, I use the snippet below:

hope this helps.