You didn't use a JTable for your results? I do not have my instructions with me, but I thought that was a requirement.
You must create a full suite of documentation for the classes of the completed project. This must be generated using the tool "javadoc" and must be in HTML format. Provide javadoc documentation for all classes you write.
All numeric values are stored in the header information use the formats of the DataInputStream and DataOutputStream classes. All text values, and all fields (which are text only), contain only 8 bit characters, null terminated if less than the maximum length for the field. The character encoding is 8 bit US ASCII.
A directory called code, containing all the source code and related part of your project. You must create subdirectories within this to reflect your package structure and distribute your source files within those directories.
Your data access class must be called "Data.java", must be in a package called "suncertify.db", and must implement the following interface:
public interface DB
The database server has nothing do with any networking. It's only responsibility is to provide the capability to fetch/manipulate data in the database.