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....Graphics grafiken = new Graphics ( ebene ); grafiken . drawString...Color . getRed ()), 15 , 45 ); grafiken . drawRectangle ( new Pen...