Java个垃圾

不支持unsigned数据类型   unsigned8 value = (int)255 & 0xFF;

List<String>转String[]      String[] array = (List<String>list).toArray(new String[0]);

List转byte[] for(byte item : (List)list){ (List)lst.add(item);} byte[] array = lst.toArray()

byte[] 转 List