android写文件不会乱码的方法

String filePath = "/sdcard/utf8_file.txt";
String UTF8 = "utf8";
int BUFFER_SIZE = 8192;

BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(filePath), UTF8),BUFFER_SIZE);
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(filePath), UTF8),BUFFER_SIZE);

补充：移动开发 , Android ,

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