[转]Java中byte数组转换int时为何与0xff进行与运算_java中byte[] 0xff00 补码转成int-CSDN博客

网站介绍:文章浏览阅读845次。在剖析该问题前请看如下代码public static String bytes2HexString(byte[] b) { String ret = ""; for (int i = 0; i String hex = Integer.toHexString(b[ i ] & 0xFF); if (hex.length() == 1) { hex = '_java中byte[] 0xff00 补码转成int