java实现读取json文件

public static String readFile(String Path){        BufferedReader reader = null;        String laststr = "";        try{            FileInputStream fileInputStream = new FileInputStream(Path);            InputStreamReader inputStreamReader = new InputStreamReader(fileInputStream, "UTF-8");            reader = new BufferedReader(inputStreamReader);            String tempString = null;            while((tempString = reader.readLine()) != null){                laststr += tempString;                laststr +="\n";            }            reader.close();        }catch(IOException e){            e.printStackTrace();        }finally{            if(reader != null){                try {                    reader.close();                } catch (IOException e) {                    e.printStackTrace();                }            }        }        return laststr;    }