﻿<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>语源科技BlogJava-tq007</title><link>http://www.blogjava.net/tq007/</link><description /><language>zh-cn</language><lastBuildDate>Sat, 18 Apr 2026 11:14:00 GMT</lastBuildDate><pubDate>Sat, 18 Apr 2026 11:14:00 GMT</pubDate><ttl>60</ttl><item><title>Java Base technology</title><link>http://www.blogjava.net/tq007/archive/2005/09/17/13265.html</link><dc:creator>jackson</dc:creator><author>jackson</author><pubDate>Sat, 17 Sep 2005 14:47:00 GMT</pubDate><guid>http://www.blogjava.net/tq007/archive/2005/09/17/13265.html</guid><wfw:comment>http://www.blogjava.net/tq007/comments/13265.html</wfw:comment><comments>http://www.blogjava.net/tq007/archive/2005/09/17/13265.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/tq007/comments/commentRss/13265.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/tq007/services/trackbacks/13265.html</trackback:ping><description><![CDATA[
<p class="MsoNormal" style="margin-bottom: 12pt; text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">1. Any primitive
type is overflow, it will became minus number and  absolute value will be
one larger. For example, Byte.MAX_VALUE is 127, then it will be equal to -128,
same to other types<br>
Meanwhile, if it is underflow, it will became positive and be equal to
Max_Value<br>
<br>
2. Operation precedence and order<o:p></o:p></span></p>


<table class="MsoNormalTable" style="" border="0" cellpadding="0" cellspacing="0">

 <tbody><tr style="">
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">postfix operators<o:p></o:p></span></p>
  </td>
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">[] . (params) expr++ expr--<o:p></o:p></span></p>
  </td>
 </tr>
 <tr style="">
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">unary operators<o:p></o:p></span></p>
  </td>
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">++expr --expr +expr -expr ~ !<o:p></o:p></span></p>
  </td>
 </tr>
 <tr style="">
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">creation or cast<o:p></o:p></span></p>
  </td>
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">new (type)expr<o:p></o:p></span></p>
  </td>
 </tr>
 <tr style="">
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">multiplicative<o:p></o:p></span></p>
  </td>
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">* / %<o:p></o:p></span></p>
  </td>
 </tr>
 <tr style="">
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">additive<o:p></o:p></span></p>
  </td>
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">+ -<o:p></o:p></span></p>
  </td>
 </tr>
 <tr style="">
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">shift<o:p></o:p></span></p>
  </td>
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US"><< >> >>><o:p></o:p></span></p>
  </td>
 </tr>
 <tr style="">
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">relational<o:p></o:p></span></p>
  </td>
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">< > >= <= instanceof<o:p></o:p></span></p>
  </td>
 </tr>
 <tr style="">
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">equality<o:p></o:p></span></p>
  </td>
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">== !=<o:p></o:p></span></p>
  </td>
 </tr>
 <tr style="">
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">AND<o:p></o:p></span></p>
  </td>
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">&<o:p></o:p></span></p>
  </td>
 </tr>
 <tr style="">
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">exclusive OR<o:p></o:p></span></p>
  </td>
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">^<o:p></o:p></span></p>
  </td>
 </tr>
 <tr style="">
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">inclusive OR<o:p></o:p></span></p>
  </td>
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">|<o:p></o:p></span></p>
  </td>
 </tr>
 <tr style="">
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">conditional AND<o:p></o:p></span></p>
  </td>
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">&&<o:p></o:p></span></p>
  </td>
 </tr>
 <tr style="">
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">conditional OR<o:p></o:p></span></p>
  </td>
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">||<o:p></o:p></span></p>
  </td>
 </tr>
 <tr style="">
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">conditional<o:p></o:p></span></p>
  </td>
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">?:<o:p></o:p></span></p>
  </td>
 </tr>
 <tr style="">
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">assignment<o:p></o:p></span></p>
  </td>
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">= += -= *= /= %= >>= <<= >>>= &= ^= |=<o:p></o:p></span></p>
  </td>
 </tr>
</tbody>
</table>


<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>


<table class="MsoNormalTable" style="" border="0" cellpadding="0" cellspacing="0">

 <tbody><tr style="">
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US"><<<o:p> </o:p></span></p>
  </td>
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">Shift bits left, filling with zero bits on the right-hand side<o:p></o:p></span></p>
  </td>
 </tr>
 <tr style="">
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">>><o:p> </o:p></span></p>
  </td>
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">Shift bits right, filling with the highest (sign) bit on the left-hand
  side<o:p></o:p></span></p>
  </td>
 </tr>
 <tr style="">
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">>>><o:p> </o:p></span></p>
  </td>
  <td style="padding: 3.75pt;" valign="top">
  <p class="MsoNormal" style="text-align: left;" align="left"><span style="font-size: 12pt; font-family: 宋体;" lang="EN-US">Shift bits right, filling with zero bits on the left-hand side<o:p></o:p></span></p>
  </td>
 </tr>
</tbody>
</table>


<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<img src ="http://www.blogjava.net/tq007/aggbug/13265.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/tq007/" target="_blank">jackson</a> 2005-09-17 22:47 <a href="http://www.blogjava.net/tq007/archive/2005/09/17/13265.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>First day for my blog and wish me make persistent efforts</title><link>http://www.blogjava.net/tq007/archive/2005/09/17/13261.html</link><dc:creator>jackson</dc:creator><author>jackson</author><pubDate>Sat, 17 Sep 2005 14:01:00 GMT</pubDate><guid>http://www.blogjava.net/tq007/archive/2005/09/17/13261.html</guid><wfw:comment>http://www.blogjava.net/tq007/comments/13261.html</wfw:comment><comments>http://www.blogjava.net/tq007/archive/2005/09/17/13261.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/tq007/comments/commentRss/13261.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/tq007/services/trackbacks/13261.html</trackback:ping><description><![CDATA[Today, It's my first time to log some thoughts and ideas on Internet
although i have this mind long long ago. Because many times i can get
much experiences from others, i also want to share some good things
with many people who have same ambition or worked for same fields. I
consider that it have two advantages for me, one is that it can help me
accumulate more knowledges. After all when you write some outside or
share something, they must be tested or verified. At the process of
verifying, i will get more amazings and pleasure. The other is that it
can improve my english-writing. Although i write many docs in english
at comapny, i can try more words to express my feeling. It's more
interesting than done in company. OK, writing here today and complete
setting enviroment and write some little doc. Hope anyone visited my
blog can make friends with me and leave something to me for technology
or English. <br>
<img src ="http://www.blogjava.net/tq007/aggbug/13261.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/tq007/" target="_blank">jackson</a> 2005-09-17 22:01 <a href="http://www.blogjava.net/tq007/archive/2005/09/17/13261.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>