jxcell is a high performance spreadsheet component for java development
environments that enables you to create, manipulate, and print excel
worksheets.
Jxcell directly using excel do***ent format, sup****t formulae, images,
lines, chart.
Jxcell can act as a rapid serverside caculation engine.
Jxcell can be embedded in small plug-in(java applet) and the Java
desktop client side applications.
http://www.jxcell.net