anchor.diff:  
   |Java
   |
  -* http://www.golden-book.com/product/getnewProductInfodatafortxt.asp?id=1762429[Java核心技术 卷I：基础知识]
  -* http://www.golden-book.com/product/getnewProductInfodatafortxt.asp?id=1765355[Java核心技术 卷II：高级特性]
  +* http://www.golden-book.com/product/getnewProductInfodatafortxt.asp?id=1762429[Java核心技术 卷I：基础知识^]
  +* http://www.golden-book.com/product/getnewProductInfodatafortxt.asp?id=1765355[Java核心技术 卷II：高级特性^]
   
   |
  -* http://www.golden-book.com/product/getnewProductInfodatafortxt.asp?id=707868[Java编程思想]
  -* http://www.golden-book.com/product/getnewProductInfodatafortxt.asp?id=1753558[Effective Java中文版]
  +* http://www.golden-book.com/product/getnewProductInfodatafortxt.asp?id=707868[Java编程思想^]
  +* http://www.golden-book.com/product/getnewProductInfodatafortxt.asp?id=1753558[Effective Java中文版^]
   
  -|https://kotlinlang.org/[Kotlin]
  +|https://kotlinlang.org/[Kotlin^]
   |
   |
   
  
positive.code: 
  |基础
  |
  * http://www.golden-book.com/product/getnewProductInfodatafortxt.asp?id=1537596[深入理解Android:卷Ⅰ]
  * http://www.golden-book.com/product/getnewProductInfodatafortxt.asp?id=1702071[深入理解android：卷II]
  * http://www.golden-book.com/product/getnewProductInfodatafortxt.asp?id=1752416[深入理解Android：Wi-Fi、NFC和GPS卷]
  * http://www.epubit.com.cn/book/details/4859[Android 源码设计模式解析与实战（第2版）]
  * http://www.epubit.com.cn/book/details/1110[Android框架揭秘]
  
  |内核
  |* http://www.golden-book.com/product/getnewProductInfodatafortxt.asp?id=1491137[Linux内核设计与实现 （原书第3版）]
  * https://detail.tmall.com/item.htm?spm=a1z10.3-b.w4011-7992896792.27.3eb5c812kSWDR2&id=37045140798&rn=ac0a6acdb98be4a024e97f81e9924fdc&abbucket=1[深入理解LINUX内核(第三版)]
  |===
  
  [cols=",a,a"]
  
negative.code: 
  |基础
  |
  * https://developer.android.google.cn/index.html?utm_source=androiddevtools.cn&utm_medium=website[Android 官方镜像^]
  * http://hukai.me/android-training-course-in-chinese/index.html[Android官方培训课程中文版^]
  
  书籍：
  
  * http://www.ituring.com.cn/book/1841[第一行代码——Android^]
  * http://www.ituring.com.cn/book/1976[Android编程权威指南^]
  * http://www.broadview.com.cn/book/492[疯狂Android讲义^]
  * http://www.tup.tsinghua.edu.cn/bookscenter/book_04578801.html[Android 4高级编程^]
  
  |进阶
  |
  * http://www.golden-book.com/product/getnewProductInfodatafortxt.asp?id=1758514[App研发录^]
  * http://www.broadview.com.cn/book/2677[Android群英传^]
  * http://www.tup.tsinghua.edu.cn/booksCenter/book_06153701.html[深入理解Android系统^]
  * http://www.broadview.com.cn/book/539[Android开发艺术探索^]
  * http://www.broadview.com.cn/book/2549[Android系统源代码情景分析^]
  |===
  
  [cols=",a"]
  