java中byte转换int时为何与0xff进行与运算
摘要：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 < b.length; i++) { String hex = Integer.toHexString(
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posted @
2016-06-27 11:32
miaoying
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java排序练习
摘要：public void testSort3(){ List str=new ArrayList(); String st="1234567890qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM"; do{ Random random=new Random(); ...
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2016-06-26 13:26
miaoying
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小数的取舍
摘要：转自 http://blog.sina.com.cn/s/blog_6d5a77ce0100xpcb.html
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posted @
2016-06-04 17:20
miaoying
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