22.1 The java.io Package
22.2 Streams for Files
22.3 Exceptions
    22.3.1 try-catch-finally
    22.3.2 Effect of Exceptions
    22.3.3 Loan Pattern
22.4 Decorating Streams
    22.4.1 Buffering
    22.4.2 Binary Data
    22.4.3 Serialization
        22.4.3.1 Binary Serialization
        22.4.3.2 XML Serialization
22.5 Saving Drawings (Project Integration)