Simple example of creating a JSON Array containing JSON objects

MCPSimpleJSON_2.java

package mcp.json.sample;

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

public class MCPSimpleJSON_2 {

	public static void main(String[] args) {

		MCPSimpleJSON_2 msj = new MCPSimpleJSON_2();
		System.out.println(msj.getJson());
	}

	@SuppressWarnings("unchecked")
	public String getJson() {

		// get the JSON api here: https://github.com/fangyidong/json-simple 
		
		// create this JSON block with the java below
		
//		{
//			"root": [{
//				"firstName": "Scott",
//				"lastName": "Salisbury",
//				"zipCode": "37067",
//				"address2": "Apt B",
//				"city": "Franklin",
//				"address1": "10 Main St",
//				"state": "TN"
//			}, {
//				"firstName": "John",
//				"lastName": "Richards",
//				"zipCode": "37067",
//				"address2": "",
//				"city": "Franklin",
//				"address1": "105 Spark Lane",
//				"state": "TN"
//			}]
//		}					
		
		JSONObject joTop = new JSONObject();  // will be the root node (see below)
		JSONArray ja = new JSONArray();  // the JSONArray of the root node

		JSONObject jo = new JSONObject();  // working JSONObject

		jo.put("firstName", "Scott");
		jo.put("lastName", "Salisbury");
		jo.put("address1", "10 Main St");
		jo.put("address2", "Apt B");
		jo.put("city", "Franklin");
		jo.put("state", "TN");
		jo.put("zipCode", "37067");

		ja.add(jo);  // add to JSONArray
		
		jo = new JSONObject();  // same working JSONObject re-instantiated

		jo.put("firstName", "John");
		jo.put("lastName", "Richards");
		jo.put("address1", "105 Spark Lane");
		jo.put("address2", "");
		jo.put("city", "Franklin");
		jo.put("state", "TN");
		jo.put("zipCode", "37067");
		
		ja.add(jo);  // add to JSONArray
		
		joTop.put("root", ja);  // root node
		
		return joTop.toString(); // return the created JSONObject as a string 
	}
}