Insert Image in PowerPoint Presentation in Java with Apache POI API
In our earlier blog post, we explored the Apache POI XSLF API for creating and updating a Microsoft PowerPoint PPTX file with Java. Apache POI for Java lets you work with PPT and PPTX files from within your Java applications without getting into the internal file format details of these. In this article, we will go through the details of how Apache POI API can be used to insert an image in a PPTX with Java.
Create PowerPoint Presentation in Java with Apache POI API
In our previous article, we introduced the Apache POI components for working with PowerPoint presentation files. We had a look at the HSLF (Horrible Slide Layout Format) and XSLF (XML Slide Layout Format) APIs offered by Apache POI. In this article, we’ll see how to create presentations in Java and save these as PPTX files.
System Requirements Before you begin, make sure that your system meets the following requirements.
JDK – Java SE 2 JDK 1.
Java API to Access PowerPoint File Formats
When it comes to working with PowerPoint files using the Apache POI library, its two powerful components HSLF and XSLF are here to help you. These components provide developers with the tools they need to manipulate and create PowerPoint presentations, whether they’re dealing with the older PPT format or the more modern PPTX format.
HSLF (Horrible Slide Layout Format) HSLF is tailored for handling the classic PPT format, which was widely used before the introduction of PPTX.
Working with Excel Cells in Java using Apache POI API
If you are a Java application developer working with Excel from within your Java applications, you would be interested in providing the functionality of manipulating Excel data in your application. Excel lets you format cell styling, set the type of a cell to different data types, fill a cell with different colors, and so on. Apache POI serves as your bridge between Java and Excel, offering tools to manipulate Excel XLSX files programmatically.
Insert Header and Footer in Excel using Apache POI for Java
Apache POI is a popular Java library that allows you to work with Microsoft Office formats, including Excel spreadsheets. The Apache POI’s XSSF (XML Spreadsheet Format) module works with Excel files in the newer XML-based format, commonly known as .xlsx.
Headers and footers in Excel are the areas at the top and bottom of each page in a worksheet where you can place content such as titles, page numbers, dates, and other relevant information.
Work with Excel Formulas in Java Applications with Apache POI Library
Microsoft Excel’s powerful formula capabilities are essential for performing complex calculations, data analysis, and creating dynamic reports. But what if you could automate these formulaic operations using a Java library? That’s where Apache POI comes into play. In this blog post, we’ll show how to use the Apache POI library to calculate Excel Formulas from within your Java application and save the workbook as XLSX file.
Understanding Formulas and Calculations Formulas are at the heart of Excel’s functionality.
Add Image in Excel Cell with Java POI
Images make you understand any story the easy way. It’s a famous saying that a picture is worth a thousand words. Microsoft Excel lets you insert pictures in your worksheets in cells and recording facts against these. In this article, we’ll show how to use Apache POI API to insert an image in Excel XLSX file using Java.
Apache POI Apache POI is a Java library for working with Microsoft Office file formats such as XLS, XLSX, DOC, DOCX, PPT, PPTX, etc.
Read Excel File in Java with Apache POI
Excel files are widely used to maintain large datasets and for statistical data analysis. Reading Excel files in Java applications is a widely used feature for accessing and parsing data. If you are a Java application developer who intends to provide the functionality of reading Excel files in Java, Apache POI for Java should be your obvious choice.
In our previous article for Creating Excel Files in Java using Apache POI, we showed the basics of creating an Excel workbook.
Apache POI – Open-Source Java Library for Microsoft Office File Formats
Apache POI (Poor Obfuscation Implementation) is a popular open-source Java library developed by the Apache Software Foundation. POI stands for “Poor Obfuscation Implementation” humorously referencing Microsoft’s proprietary binary file formats. The main purpose of Apache POI is to provide Java developers with a set of APIs that allows them to read, write, and manipulate various Microsoft Office file formats, such as Excel spreadsheets (.xls and .xlsx), Word documents (.doc and .