Java spreadsheet SDK allows you to read, edit, generate, and display Excel spreadsheets in your Java applications. ExtenXLS is an easy-to-use Spreadsheet automation API that allows you to read, modify and create spreadsheets from your Java applications. Written entirely in Java, ExtenXLS creates new spreadsheet files from scratch as well as from existing spreadsheet file templates. With an Excel compatibility, your template input files can range from a variety of complex legacy spreadsheets such as: surveys, checklists, what-if scenarios and historical portfolio data. With ExtenXLS a single line of code will create new spreadsheets from scratch, insert cells, numbers, formulas, charts, images, named ranges, hyperlinks, and dates. Output in a variety of formats including XLS, XML, and HTML.