File APIs for Word/Excel/PowerPoint/PDF

  CSV (Comma-Separated Values) files are commonly used for data exchange and storage due to their simplicity and lightweight nature. However, when it comes to data analysis, reporting, or sharing information, Excel files often offer more advantages. Excel provides enhanced formatting options and makes it easier to manipulate and present data effectively. This article will guide you through several methods of converting CSV files to Excel using Java, ensuring a more efficient and streamlined approach for your development projects. Prerequisites: Installing Required Dependencies Before diving into the code, you’ll need to include the necessary Java libraries. For this guide, we will use the popular Spire.XLS library to perform CSV to Excel conversion. Here's the Maven dependency configuration: <repositories> <repository> <id>com.e-iceblue</id> <name>e-iceblue</name> <url>https: //repo.e-iceblue.com/nexus/content/gr...

In daily data processing and report generation, Excel plays a crucial role. However, when dealing with large Excel files that contain thousands of rows and hundreds of columns, constantly scrolling through data can be highly inconvenient. Imagine scrolling down and losing the header row, or scrolling right and losing key identification columns. This issue can significantly reduce productivity and affect the accuracy of data analysis. Fortunately, Excel provides a "Freeze Panes" feature that allows users to keep critical data visible while navigating through large files. This guide will show Java developers how to implement this feature programmatically, allowing them to automate Excel report generation with frozen rows and columns. In this comprehensive tutorial, you'll learn how to use  Java  to efficiently freeze Excel rows and columns. We will explain the principles behind freezing panes, provide detailed code examples, and explore advanced use cases and common problem...