How to Check if a Value Exists in a JSON Array for a Particular Key

Date: 2023-10-30

This article demonstrates how to check for the existence of a key-value pair within a JSON array using Java's Jackson and Gson libraries. Both libraries are powerful tools for JSON processing, with Jackson offering superior performance for large-scale projects and Gson providing a simpler, more beginner-friendly approach. The examples show how to include the libraries in a Maven project and then use them to search for a specific key-value pair within a JSON array, printing a message indicating whether the pair exists. The choice between Jackson and Gson depends on project needs and developer familiarity.

Read more: https://examples.javacodegeeks.com/check-key-value-pair-existence-in-json-array/