Java json – jackson Mix- In Annotations

Also see json simple org.json Annotations are a great way to manage serialization and deserialization in Jackson. However, what do you do if you want to annotate a third party class, or if you dont want to tightly couple your POJOs to jackson annotations. This is where Mix-in comes into play. You define a mix-in … Read more

Java json – jackson List serialization

Also see json simple org.json In this tutorial we will see how to convert a java List to JSON. Serializing list is a little tricky since by default the type info is not stored while serializing and deserializing lists. In this tutorial we look at two examples. In the first example we serialize an Object … Read more

Java Jackson – Json Polymorphism

Also see json simple org.json Jackson provides a way to maintain sub type information while serializing java objects. It is possible to recreate the exact sub type. The type information can be embedded into the json as a property. In the example below we create a zoo, that has a list of animals. The animal … Read more

Jackson- Json Java Data Binding

What is JSON Java Data Binding? A thing that most java developers love to deal with is …. Java POJO. Wouldn’t you love a black box where you can see JSON string entering from one side and POJOs coming out from the other. That’s what Jackson’s JSON java data binding does. This can be best … Read more

Jackson – JSON to java tree model

JSON to Java Tree Model Example Jackson provides a tree node called com.fasterxml.jackson.databind.JsonNode. The ObjectMapper provides a method to convert JSON to Java tree model with the root being a JsonNode. This can be thought of as being similar to DOM nodes in XML DOM trees. The example below demonstrates building a tree from the … Read more

Java JSON Jackson Introduction

Overview of the Java JSON Jackson library The java JSON Jackson is a JSON library for Java It has very powerful data binding capabilities and provides a framework to serialize custom java objects to JSON  and deserialize JSON  back to Java objects. JSON written with Jackson can contain embedded class information that helps in creating the … Read more