Person person = new Person("John", 25); ObjectMapper mapper = new ObjectMapper(); String json = mapper.writeValueAsString(person); String json = "{\"name\":\"John\",\"age\":25}"; ObjectMapper mapper = new ObjectMapper(); Person person = mapper.readValue(json, Person.class); ObjectMapper mapper = new ObjectMapper(); mapper.configure(SerializationConfig.Feature.WRITE_DATES_AS_TIMESTAMPS, false); mapper.configure(DeserializationConfig.Feature.ACCEPT_EMPTY_STRING_AS_NULL_OBJECT, true);


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