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....lastColumnNumber = - 1 ; // Gathers characters as they are seen. private...length (); ++ c ) { if ( Character . isDigit ( r . charAt ( c...