enum

db javafx sharing connection between windows

get entries from db that match criteria

count records in a table

create new entry in the db

delete an entry from db

update an entry in db

select all from table from db

connect to derby database

javafx environment setup

abstract classes and abstract methods

polymorphism, instanceof, downcasting, method overriding

method overriding

access modifiers: protected, private, public, none

inheritance

enum

arraylist - instantiation with values

arraylist

methods with array argument

methods with reference type arguments

methods

arrays

switch

random numbers generation

constants