Jackson

Jackson.java

ObjectMapper mapper = new ObjectMapper()

// Via class
Hey hey = mapper.readValue("{name:\"hey\"}", Hey.class);
System.out.println(hey.name);

// Via dynamic
JsonNode node = mapper.readTree("{name:\"hey\"}");
// With null safety, allows chaining
String name = node.path("name").asText();
// With no null safety
name = node.get("name").asText();
// Json Express
name = node.at("/name").asText();
System.out.println(name);