# 第二篇：原理篇

- [6 Java内存模型基础知识](/concurrent/di-er-pian-yuan-li-pian/6.md)
- [7 重排序与happens-before](/concurrent/di-er-pian-yuan-li-pian/7.md)
- [8 volatitle](/concurrent/di-er-pian-yuan-li-pian/8.md)
- [9 synchronized与锁](/concurrent/di-er-pian-yuan-li-pian/9.md)
- [10 CAS与原子操作](/concurrent/di-er-pian-yuan-li-pian/10.md)
- [11 AQS](/concurrent/di-er-pian-yuan-li-pian/11.md)
