判断是否汉字的Java代码详解编程语言

private static boolean isChinens(char c) 
        throws UnsupportedEncodingException { 
    // TODO Auto-generated method stub 
    if (String.valueOf(c).getBytes("GBK").length > 1) { 
        return true; 
    } else { 
        return false; 
    } 
}