File APIs for Word/Excel/PowerPoint/PDF

When reviewing Word documents, you may need to highlight specific words or phrases. For example, you might want to mark every occurrence of "risk" in a report, or highlight phrases such as "risk assessment" and "risk analysis". Java can handle both exact text searches and pattern-based searches. This article shows how to highlight the first match or all matches using either strings or regular expressions. 1. Install a Word Document Processing Library Add the following repository and dependency to your Maven project's pom.xml file: <repositories> <repository> <id> com.e-iceblue </id> <name> e-iceblue </name> <url> https://repo.e-iceblue.com/nexus/content/groups/public/ </url> </repository> </repositories> <dependencies> <dependency> <groupId> e-iceblue </groupId> <artifactId> spire.doc </artifactId...

  When working with Excel data, raw information is usually stored as detailed records. For example, a sales worksheet may contain fields such as date, region, product, quantity, and sales amount. As the amount of data grows, analyzing the original table directly becomes less convenient. Excel Pivot Tables provide a simple way to summarize and analyze data from different perspectives, such as: Calculating sales amounts by region; Summarizing data by product category; Comparing values across different dimensions. If you need to generate analysis reports automatically in a Java application, you can create Pivot Tables programmatically instead of manually opening Excel and configuring them each time. This article explains how to create Excel Pivot Tables with Java and configure fields for data summarization. Preparing the Environment Create a Java project and add the Excel processing dependency through Maven. Add the following configuration to pom.xml : <repositories> <re...