Class Libraries & REST APIs for the developers to manipulate & process Files from Word, Excel, PowerPoint, Visio, PDF, CAD & several other categories in Web, Desktop or Mobile apps. Develop & deploy on Windows, Linux, MacOS & Android platforms....xlsx" ); BuiltInDocumentPrope properties = book . getBuiltInDocumentPr...System . out . println ( properties . getVersion ()); 添加了Chart...