Reflection API in Java

1. How to determine class modifiers dynamically using Java Reflection API ?.
2. How to find Superclasses of a given class dynamically using Java Reflection API ?.
3. How to determine Interfaces implemented by a class dynamically using Java Reflection API ?.
4. How to determine information about class constructor at runtime using Java Reflection API ?.
5. How to determine information about class methods at runtime using Java Reflection API ?.
6. How to determine fields in a class using Java Reflection API ?.