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Discover how to resolve issues with `Apache CSV` formatting when using `withIgnoreSurroundingSpaces`. Learn to trim spaces effectively and ensure proper CSV structure. --- This video is based on the question https://stackoverflow.com/q/36560513/ asked by the user 'Pratiyush Kumar Singh' ( https://stackoverflow.com/u/4006969/ ) and on the answer https://stackoverflow.com/a/75977536/ provided by the user 'grigouille' ( https://stackoverflow.com/u/14946729/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions. Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: Apache CSV not working properly when withIgnoreSurroundingSpaces is used Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l... The original Question post is licensed under the 'CC BY-SA 3.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license. If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com. --- Resolving the Apache CSV Formatting Issue: How to Trim Spaces Effectively When working with libraries like Apache CSV, developers often run into unexpected behavior that can affect the output of their code. One common issue arises when using the withIgnoreSurroundingSpaces method, leading to unwanted spaces in the CSV format. In this post, we will explore this problem, examining why it's happening and how to effectively resolve it. Understanding the Problem You might find yourself using Apache CSV with a Maven dependency like this: [[See Video to Reveal this Text or Code Snippet]] When you try to format CSV data as shown in the following code: [[See Video to Reveal this Text or Code Snippet]] Actual Output You might get the following unexpected output: [[See Video to Reveal this Text or Code Snippet]] Expected Output However, the expected output should ideally look like this: [[See Video to Reveal this Text or Code Snippet]] Errors in Output: The extra spaces around the test values are not trimmed. Test2 is printed without quotes—this might raise questions about its behavior. Solution Explained The primary function of withIgnoreSurroundingSpaces is to skip leading and trailing spaces around double quotes, but it does not trim spaces inside the quotes themselves. Therefore, when you need a clean CSV output without unwanted spaces, a different approach is necessary. Correct Implementation You can achieve the desired outcome by using the following code snippet, which makes use of the builder pattern in Apache CSV: [[See Video to Reveal this Text or Code Snippet]] Key Components of the Solution: setTrim(true): This option will trim all leading and trailing spaces in your data, making sure extraneous spaces do not appear in the CSV output. setQuoteMode(QuoteMode.ALL): This ensures that all fields are enclosed in quotes, maintaining consistency in CSV formatting. Final Words By correctly applying these methods, you will be able to generate CSV output that aligns with your expectations—without unwanted spaces and with proper quoting. If you run into any more issues or have questions about working with Apache CSV, feel free to drop them in the comments below! Now you can confidently tackle any formatting issues with Apache CSV! Happy coding!