Convert JSON Array to List: Gson, Jackson and Org.json
Learn to use Gson, Jackson, and Org.json libraries to convert a JSON array into an ArrayList of objects with easy-to-understand examples.
Convert an Object to Map in Java
Learn to convert a given Java object into a Map using different solutions including Jackson ObjectMapper, Gson and Java reflection.
Jackson Error: Java 8 date/time type not supported by default
Learn to fix the error ‘Java 8 date/time type not supported by default’ while serializing and deserializing Java 8 Date time classes using Jackson.
Jackson – Ignoring Null, Empty and Absent Values
Learn to ignore the null, empty and absent values during serialization with Jackson using the @JsonInclude as well as SerializationInclusion.
Jackson – Custom Serializer and Deserializer
Learn to create custom Jackson serializers and deserializers, register using the SimpleModule as well as @JsonSerialize and @JsonDeserialize.
Jackson – Converting between XML and JSON
Learn to convert between JSON and XML strings using Jackson’s JsonMapper and XmlMapper using simple POJO, JsonNode and ObjectNode classes.
Jackson – Custom Serialization and Deserialization of Booleans
Learn Jackson’s default serialization and deserialization of boolean values, and how to customize it to support other possible values.
How to Marshal and Unmarshal XML with Jackson
Learn to serialize and deserialize a Java Object to/from an XML document, using Jackson XmlMapper, with simple and easy examples.
Jackson – Marshal and Unmarshal Java Objects to JSON
This Jackson tutorial will teach us to use Jackson ObjectMapper to read and write JSON data into Java Objects. 1. Setting Up Jackson To include Jackson library in our project, we should include jackson-databind dependency which internally pulls the other two needed dependencies i.e. jackson-annotations and jackson-core. We can find the latest …
Jackson – Marshal and Unmarshal Java Maps
Learn to convert JSON to Map and convert a Map to JSON string using Jackson 2. Given example uses Jackson ObjectMapper for conversions.
[Solved] Jackson: No suitable constructor found for type
If you are working on Jackson library and trying to marshal/unmarshal Java objects to/from JSON documents, you may encounter JsonMappingException error. 1. JsonMappingException When we are parsing a JSON file into Java object or we are converting the Java object to JSON representation, we must have created a POJO class. …
JSON Response with RESTEasy
Learn to use Jackson or Jettison libraries with RESTEasy to convert the API response into JSON format with example.