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....below demonstrates how to read a VCF file, check if it contains multiple...new FileInputStream ( "test.vcf" )) { if ( VCardContact . isMultiContacts...