Convert JSON String to Map and Map to JSON String with Jackson
In this section, we will show you h ow to c onvert JSON String to Map and Map to JSON String with Jackson. Note Jackson is a very popular and efficient java based library to serialize or map java objects to JSON and vice versa. Note JSON (JavaScript Object Notation) is a lightweight format that is used for data interchanging. JSON is built on two structures: A collection of name/value pairs. In various languages, this is realized as an object, record, struct, dictionary, hash table, keyed list, or associative array. An ordered list of values. In most languages, this is realized as an array, vector, list, or sequence. 1. Download Jackson < dependency > < groupId >com.fasterxml.jackson.core</ groupId > < artifactId >jackson-databind</ artifactId > < version >2.14.1</ version > </ dependency > In Jackson, we can use mapper.readValue(json, Map.class) to convert a JSON string to a Map. 2. JS...