Numerator questions

• Java- How do I gather classes by using enum?
• What does this program basically do? Subtraction of pointers?
• Reading strings, integers etc from files using fscanf
• Anonymous class, Inheritance, and overriding
• Java- why does it print null?
• Display the status of selected modules of a specific job in Jenkins in one screen
• The syntax <T extends Class<T>> in Java
• List class's toArray in Java- Why can't I convert a list of "Integer" to an "Integer" array?
• Is { w | w <> w^R } over the alphabet {0,1} a context-free language?
• Observable in Java

Numerator answers