public void writeObjToFile(File file, List list, Gson gson) throws Exception {
RandomAccessFile raf = new RandomAccessFile(file, "rw");
for (int i = 0; i < list.size(); i++) {
raf.write(gson.toJson(list.get(i)).toString().replaceAll("beanid", "id").getBytes());
raf.writeBytes("\r\n");
}
raf.close();
}
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