Notes

package com.tcp.commerce.common.util;

import java.util.Iterator;
import java.util.Set;

import org.apache.commons.json.JSONObject;

public class Test {

public static void main(String[] args) throws Exception {

JSONObject json1 = new JSONObject();
json1.put("name1", "goku");
json1.put("age1", "26");

JSONObject json2 = new JSONObject();
json2.put("name2", "ash");
json2.put("age2", "25");

JSONObject mergedJson = mergeJSONs(json1, json2);
System.out.println(mergedJson);
}

private static JSONObject mergeJSONs(JSONObject json1, JSONObject json2) {

try {
//Get keys of json2
Set json2Keys = json2.keySet();
//Iterate over json2 keys
for (Iterator iterator = json2Keys.iterator(); iterator.hasNext();) {
//take the key
Object key = (Object) iterator.next();
//put it in json1. keep as object type so that, its generic for all data types
json1.put(key, json2.get(key));
}
} catch (Exception e) {
e.printStackTrace();
}

//If no exception occurred, json2 values will be merged into json1
return json1;
}

}