10 Example of Gson in Java - JSON tutorial

The Gson library is a gift from Google to Java developers. It provides the simplest but powerful mechanism to deal with JSON documents in Java. By using Gson library, you can parse JSON String to generate Java objects, serialize a Java object to create a JSON document. You can even pretty print JSON String by setting some option to the Gson class, which is the main helper class to interact with Gson library. It also provides mechanism to deal with nulls e.g. you can include null on JSON String or you can omit them. By default Gson print JSON in compact format where null fields are not exported to JSON document but null within array and list are exported. 

Top 27 Gson Interview Questions with Answers for Java Developers

Hello guys, parsing and creating JSON is a very common task in any Java application, particularly spring based application and that's why its important for a Java developer to not just understand the JSON format but also to be familiar with the important JSON parsing libraries in Java like Gson and Jackson. It's not just important for your day to day Java development work but also for interviews as there is a increased focus on checking if candidate is familiar with key JSON libraries like Jackson or Gson or not. Since I shared Java interview questions on core Java topics like concurrency, abstract class, static, and final modifier, a lot of my reader asked me to share JSON related interview questions as well.