The static fields of the Java Class are presented as properties of the JavaClass object.
The only properties and methods this object has, correspond to the public properties and methods of the Java class that it represents. You can enumerate these properties in a loop.
Java classes are either stored in individual class files or are collected together into groups stored in a ZIP file. Groups of classes will be represented by a JavaPackage object. Each individual class is represented by a JavaClass object. The JavaClass objects belong to a parent JavaPackage object.
To operate on these objects, you really need to know something about the Java classes they encapsulate. There are many standard classes and some that may have been custom written for your project.