Revision Haiku

Java lists - indexed
Homogeneous elements
Natural order

Collections framework
Maps have a key and value
Sets just have values

Overloading is
Methods with the same name but
Different signatures

Overriding is
A method in a sub class
Used in preference

Semantic error
Is a failure of logic
Rather than syntax

You should always try
To catch exception errors
Finally clean up

A Scanner object
Can parse a CSV file
Into components