How to find out if a field is instanceof a type via reflection?

Question

I want to find out via reflection if a field is an instance of some type T.

Lets say I have an object o. Now I want to know if it has any

Answer 1

If you want to compare the field type of a custom class you should try this, use .class because only primitive types has .TYPE.

if(field.getType().isAssignableFrom(**YOURCLASS.class**)){}