String json = "{\"name\":\"John\", \"age\":30, \"city\":\"New York\"}";
JSONObject jsonObject = new JSONObject(json);
String name = jsonObject.getString("name");
int age = jsonObject.getInt("age");
String city = jsonObject.getString("city");
Person person = new Person("John", 30, "New York");
JSONObject jsonObject = new JSONObject(person);
String json = jsonObject.toString();
public class Person {
@JsonProperty("name")
private String name;
@JsonProperty("age")
private int age;
@JsonProperty("city")
private String city;
}
String json = "{\"name\":\"John\", \"age\":30, \"address\":{\"street\":\"123 Main St\", \"city\":\"New York\"}, \"hobbies\":[\"reading\", \"traveling\"]}";
JSONObject jsonObject = new JSONObject(json);
String name = jsonObject.getString("name");
int age = jsonObject.getInt("age");
JSONObject address = jsonObject.getJSONObject("address");
String street = address.getString("street");
String city = address.getString("city");
JSONArray hobbies = jsonObject.getJSONArray("hobbies");
for (int i = 0; i < hobbies.length(); i++) {
String hobby = hobbies.getString(i);
}
