How to Convert JSON to CSV in Java

This short tutorial will guide you on how to convert JSON to CSV in Java. Many applications return JSON data to serialize or archive information whereas you may need to convert JSON to CSV using Java for different purposes. You can also set different options to get the output comma-separated values during this conversion as per your requirements.

Steps to Convert JSON to CSV in Java

  1. Using Maven, add Aspose.Cells library to convert JSON to CSV
  2. Create an empty Workbook object to save the output CSV file
  3. Access the cells collection from the worksheet object
  4. Create JsonLayoutOptions class object and set required properties for output
  5. Call the ImportData method while specifying JSON path and required properties
  6. Save output CSV file created from JSON

This step-by-step approach shows how simple it is to create JSON to CSV converter in Java as you only need to make a few API calls to load the input file and then export it to CSV format. The ImportData function in JsonUtility imports data from the JSON file and exports it to the worksheet. The conversion is efficient enough and consumes limited CPU resources and memory.

Code to Convert JSON to CSV using Java

In this code snippet, the input path to the JSON file is set and the JSON file is read into a string. An empty workbook is created and different JsonLayoutOptions properties are specified for customizing the JSON to CSV conversion process. For instance, you can set titles of array or object, date or number format, etc. for getting the desired format CSV file.

This tutorial has explained how using Java convert JSON to CSV. However, if you are interested in learning the CSV to Excel conversion, refer to the article on how to convert CSV file to Excel in Java.