Java Jackson JSON Tutorial with Examples

Jackson is a very popular and efficient Java-based library to serialize or map Java objects to JSON and vice versa. This tutorial contains a large number of articles/posts which demonstrates the basic and advanced Jackson library API features and their usage with lots of examples.

On Java Guides:

• Jackson - Convert Java Object to/from JSON Example  (popular)

• Jackson - List, Set, and Map Serialization and Deserialization in Java Examples

• Change Field Name in JSON using Jackson  (popular)

• How to Read / Write JSON Using Jackson JsonParser and JsonGenerator

• Jackson - Enable Pretty Print JSON Output  (popular)

• Jackson @JsonPropertyOrder Example

• Jackson - Ignore Fields or Properties on Serialization

• Jackson @JsonIgnore, @JsonIgnoreProperties and @JsonIgnoreType  (popular)

• Jackson Ignore Null and Empty Fields on Serialization  (popular)

• Jackson @JsonInclude Example

• ObjectMapper - Java to JSON   (popular)

• ObjectMapper - JSON to Java Object  (popular)

• Convert List to JSON Array Using Jackson  (popular)

• Convert Set to JSON Array Using Jackson  (popular)

• Jackson - Convert Map to JSON Object  (popular)

• Jackson – Convert JSON string to Map  (popular)

The source code of these tutorials available on my GitHub repository at https://github.com/RameshMF/jackson-json-tutorial

Other Interesting Writeups:

• Jackson Annotation Examples

• Intro to the Jackson ObjectMapper

• XML Serialization and Deserialization with Jackson

• JSON in Java

• Jackson – Marshall String to JsonNode

• Using Optional with Jackson

• Serialize Only Fields that meet Custom Criteria with Jackson

• Serialize Enums as JSON Objects

• JsonMappingException (No serializer found for class)

• Jackson Date

• Jackson JSON Views

• Jackson Exceptions – Problems and Solutions

• Jackson – Working with Maps and nulls

• Convert XML to JSON Using Jackson

Get source code of this tutorial on my GitHub Repository.