hangtianfeige

场景是这样的wait同学跟notify同学一起去面试,他俩在一个同步队列里面,wait先到的先进行了面试,结果就面了30min,面试官让他在旁边的办公室等通知;hr请他到隔壁房间去,让notify同学进来了,跟面试官相见恨晚,聊了足足1.5h,hr已经发出了通知马上出结果,然而…

Apache RocketMQ is a distributed messaging and streaming platform with low latency, high performance and reliability, trillion-level capaci…

从哪里入手image-20191226144224431根据源码注释我们易得AutowiredAnnotationBeanPostProcessor是Autowired的实现类,xxxBeanPost

In addition to bean definitions that contain information on how to create a specific bean, the ApplicationContext implementations also perm…

aload_0 当中的0正是局部变量表里的Slot 0的含义。意思是将局部变量表里的Slot 0的东西压入操作数栈,这个Slot 0里的东西name正是this,也就是JvmHello的实例 通过分析字节码,可以加深对虚拟机内存结构,java代码从编译到加载,和运行的整个过程,…