解决JSONObject首字母默认变成小写问题

import java.util.Iterator;

import org.json.JSONObject;

public class ObjectJsonZM {

public static void main(String[] args) {
String abc = "{" + "\"UserAttrs\"" + ":[{" + "\"To_Account\"" + ":"
+ "\"test\"" + "," + "\"Attrs\"" + ":{" + "\"sex\"" + ":"
+ "\"fale\"" + "}" + "}]}";
System.out.println(abc);
System.out.println(formatJson(abc).toString());
}

public static JSONObject formatJson(String orgJson) {
JSONObject jo = new JSONObject();
try {
JSONObject jsonObject = new JSONObject(orgJson);
Iterator iterator = jsonObject.keys();

while (iterator.hasNext()) {
String key = (String) iterator.next();
char chars[] = key.toCharArray();
if (key.length() > 1 && Character.isLowerCase(key.charAt(0))) {
chars[0] = Character.toUpperCase(chars[0]);
}

Boolean bl = jsonObject.isNull(key);
if (bl) {
jo.put(new String(chars), bl);
} else {
Object object = jsonObject.get(key);
try {
if (object instanceof Number) {
// Log.i("MainActivity-----------------",
// "result:1");
jo.put(new String(chars),
((Number) object).intValue());
} else {
// Log.i("MainActivity-----------------",
// "result:2");
jo.put(new String(chars), jsonObject.getString(key));
}
} catch (Exception e) {
jo.put(new String(chars), jsonObject.getString(key));
}
}
}
} catch (Exception e) {

e.printStackTrace();
}
return jo;
}

}