Java unicode转换为utf-8

[java]代码库

try {
    String s1 = "\u5e7f\u5c9b\u4e4b\u604b.mp3";
    byte[] converttoBytes = s1.getBytes("UTF-8");
    String s2 = new String(converttoBytes, "UTF-8");
    System.out.println(s2);
} catch (Exception e) {
	e.printStackTrace();
}//源代码片段来自云代码http://yuncode.net