Java Files 

            Testing input 

            Shows reading a file 

            Shows GridBagLayout

            Shows JPanel

            Shows the paint method

            Shows Label, Button, Textfield, List

            Shows FlowLayout

            Shows BorderLayout

            Shows schemas, catalogs, column privileges, exported keys, cross reference, other metadata of a database

             on 1 searches a string in the linked list, on 2 loads a file

             shows extending a class

             shows drivers and driver properties

             shows Querying a table

             shows database MetaData