How to Compare Word Documents using Java

This concise tutorial walks you through the complete process to compare Word documents using Java. It covers configuring the document comparison library, generating the required code, and includes sample Java code to compare two Word documents. The instructions work on MS Windows, Linux, and macOS.

Steps to Compare Word Documents using Java

  1. Install GroupDocs.Comparison for Java from the Maven repository in the Java project to compare Word documents
  2. Import essential classes for developing the functionality to compare Word files in Java
  3. Instantiate Comparer class and pass the source Word file to its constructor
  4. Call the add method of the Comparer class and specify the target DOCX file path
  5. Finally, call the compare method and pass the resultant Word file path for comparison

These steps explain the procedure to compare word documents for differences in Java by using one of the best document comparison library. It is a very quick process to compare two Word documents by following the above instructions. Further, it does not require third-party software and MS Office for comparing the Word files. Moreover, this feature can be developed with three to four lines of code that consists of consuming APIs.

Code to Compare Word Documents using Java

In the example above we implemented the compare two Word documents and highlight differences using Java functionality. This code demonstrates how to compare two Word files in Java, and you can extend it to handle multiple documents simply by repeating step 4. Additionally, the same approach works for other Microsoft Word formats—including DOC, DOCM, DOT, DOTM, DOTX, and RTF—allowing you to quickly spot differences across a variety of file types.

Throughout this tutorial we’ve walked through the step‑by‑step process for comparing two Word documents using Java, complete with ready‑to‑run sample code. If you’re also interested in handling spreadsheets, be sure to explore our recent guide on comparing Excel files in Java: how to Compare Excel Files in Java.

 English