In this post under Gson, I will explain with an example how to use @Until annotation. The @Until annotation is used in combination with “GsonBuilder.setVersion” method. The annotation has no effect if it is not used along with “GsonBuilder.setVersion” method. The @Until annotation is used for the fields of the class and it accepts a…… Continue reading Annotation Until and setVersion method

In my previous post “FieldNamingPolicy Example”, I explained with an example how to change the naming convention using out of the box provided standard naming conventions. In this post, I will explain with an example how to create your own custom naming conventions and configure the Gson to use it. To create our own custom…… Continue reading FieldNamingStrategy Example

In this post under Gson, I will show how to change the naming convention of field names when serialized to JSON format. I will show how to change the naming convention to the out of the box provided standard naming conventions. Gson out of the box provides the below naming conventions as part of the…… Continue reading FieldNamingPolicy Example

Whenever we serialize a java object to JSON using Gson framework, by default fields with null values are ignored. As shown in the below code Main code import com.google.gson.Gson; public class GsonDemo7 { public static void main(String[] args) { Student student = new Student(); student.setId(1); student.setName(“name1”); student.setRollnum(100); student.setDate(null); Gson gson = new Gson(); String result…… Continue reading Configuring Gson to serialize objects with fields having null value

In this post, under GSON, I will explain how to use custom date format when serializing Java object containing date information to json format. We can change this format globally, globally meaning the custom format will be applied to all objects that are serialized using Gson instance, created using the custom date format. Below is…… Continue reading Using Custom DateFormat

In this post under GSON, I will explain how to configure the Gson instance. In all my previous post under GSON, I used to create a Gson instance by using the below code snippet. Gson gson = new Gson(); With this instance we used convert java object to and from JSON format. This instance comes…… Continue reading Configuring Gson object