database base application with jar file r2xml.  just create a data base in your netbeans

database. base name.   basic
table name           tab
colum names.   SERIAL,NAME,AGE,ADDRESS.  
and add a jar file by downloading from internet r2xml easily available over internet and include it in a away that sir has shown to you all]

check the link for code unzip it and import it in netbeans

any query will be answer

https://www.dropbox.com/s/ye1adbo9rxuihye/midtermtraining.zip?dl=0