Very well possible given that likes of POI are written using Java(or can be). Basically, xlsx files are zip files. If you change the extension to .zip file. You can view some bunch of xml files. Look at Office Open XML. Office Open XML (also informally known as OOXML or OpenXML) is a zipped, XML-based file format developed by Microsoft for representing spreadsheets, charts, presentations and word processing documents. The format was initially standardised by Ecma (as ECMA-376) and, in later versions, by ISO and IEC (as ISO/IEC 29500). You may follow that standard to write your own library in java to extract the data from excel files and follow pdf standard to convert the same into pdf format without using any external libraries. If you mean if there are any inbuilt packages in JDK, no. But if you mean if it can be done using Java, yes. Because pretty much anything can be written from scratch. But, it may not be a good idea to reinvent the wheel.
That is all we need to install the software we need to do that. Step 9: Install VB and VBA on computer Before we install VB and VBA on computer it is time to download and install VB. To download VB then you can do it on this link. As this is a windows based system please use VB2010 and below versions should only be use for test and debugging of VB project. It is not recommended that you use this software for business. Now let's start. First we will download and install the VB Project software. For that we need to run a command of Windows. Open the task manager by right click on taskbar and go on properties and then click on task manager and search for Microsoft Project. Once it is installed go on to go and install VBA on Windows because VBA is used to manage the project. Now.