TryReadTreeAndConvert.java

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.util.StringJoiner;

class TryReadTreeAndConvert {

  static class Place {
    String city;
    String state;

    public String getCity() { return city; }

    public void setCity(String city) { this.city = city; }

    public String getState() { return state; }

    public void setState(String state) { this.state = state; }

    public String toString() {
      return new StringJoiner(", ", Place.class.getSimpleName() + "[", "]")
          .add("city='" + city + "'")
          .add("state='" + state + "'")
          .toString();
    }
  }

  public static void main(String[] args) throws JsonProcessingException {
    final ObjectMapper objectMapper = new ObjectMapper();
    final JsonNode tree = objectMapper.readTree("{\n"
        + "  \"place\": {\n"
        + "    \"city\": \"Dallas\",\n"
        + "    \"state\": \"Texas\"\n"
        + "  }\n"
        + "}");

    final Place place = (Place) objectMapper.convertValue(tree.get("place"), Place.class);
    System.out.println(place);
  }
}

Outputs:

Place[city='Dallas', state='Texas']