1. Java中的多线程

http://blog.csdn.net/luoweifu/article/details/46673975

Java中继承thread类与实现Runnable接口的区别

http://mars914.iteye.com/blog/1508429

Callable 和 Future

http://www.cnblogs.com/dolphin0520/p/3949310.html

synchronized

http://blog.csdn.net/luoweifu/article/details/46613015

2. 反射

http://www.cyqdata.com/android/article-detail-36281

3. 强引用, 软引用, 弱引用, 虚引用

https://my.oschina.net/ydsakyclguozi/blog/404389

4. 多线程

Thread和Runnable的区别

http://mars914.iteye.com/blog/1508429

5. 泛型

　java 泛型中 T 和 问号（通配符）的区别

　https://my.oschina.net/jiemachina/blog/201507