

JWorkbook
class as an OLE container, you can embed an Excel workbook into a Java Swing application just like an ordinary Swing component for working with its content.
Full Control Over Excel in Java
With JExcel, you can work with whole files or specific ranges of cells, modify values, formats, formulas; convert cells and ranges, merge/unmerge cells, customize cell appearance, etc.
Listen and Handle Excel Events
With JExcel, you can add listeners to the events generated by a workbook or worksheet as well as process them by handlers to affect respectively the behavior of a workbook or worksheet.