[Java Code] JsonObject, JsonArray (org.json)

package com.lsj.chatting;

import org.json.JSONArray;
import org.json.JSONObject;

public class testing {

	public static void main(String[] args) {


		/** JSONObject (no data) **/
		JSONObject json = new JSONObject();
		
		System.out.println("jsonFormat : " + json);
		
		/** 이름 넣기 **/
		json.put("name", "Lee");
		
		System.out.println("jsonName : " + json);
		System.out.println("name : " + json.getString("name"));
		
		/** JSONArray (취미) **/
		JSONArray hobbies = new JSONArray();

		hobbies.put("soccer");
		hobbies.put("basket ball");
		json.put("hobbies", hobbies);
		
		System.out.println("jsonNameHobbies : " + json);
		System.out.println("jsonHobbies : " + json.getJSONArray("hobbies"));

		
		/** 취미 + 이름 데이터 배열에 입력 **/
		JSONArray people = new JSONArray();
		people.put(json);
		
		/** 키에 해당하는 값이 어떤 타입이냐에 따라 get 뒤에 붙는게 정해진다. **/

		/** 이름 넣기 **/
		json = new JSONObject(); // 초기화
		json.put("name", "Tom");
		

		/** JSONArray (취미) **/
		hobbies = new JSONArray(); // 초기화
		hobbies.put("painting");
		hobbies.put("weight training");
		json.put("hobbies", hobbies);
		
		people.put(json);
		
		System.out.println("people : " + people);
		
		/** 최종 JSON **/
		JSONObject person = new JSONObject();
		person.put("members", people);

		System.out.println("person : " + person);
		
		/** 사람 출력 **/
		JSONArray members = person.getJSONArray("members");
		JSONObject member0 = members.getJSONObject(0);
		JSONObject member1 = members.getJSONObject(1);
		
		System.out.println("member0 : " + member0);
		System.out.println("member1 : " + member1);
		
		/** 취미 출력 **/
		JSONArray member0Hobbies = member0.getJSONArray("hobbies");
		System.out.println("member0Hobbies : " + member0Hobbies);
		
		String member0Hobbie = member0Hobbies.getString(0);
		System.out.println("member0Hobbie : " + member0Hobbie);
		
		member0Hobbie = (String) member0Hobbies.get(1);
		System.out.println("member0Hobbie : " + member0Hobbie);
		// person : {"members":[{"hobbies":["soccer","basket ball"],"name":"Lee"},{"hobbies":["painting","weight training"],"name":"Tom"}]}
        // 일반적 JSON 구조
	}
	
}