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20200221英语上课笔记
大Patricia - US - Beijing Ada - Szechuan - programmer Yina - Chongqing - office worker Zoe Harper Zora Fiona I didn't like it many years ago./I didn't like it for many years. -How long have you had your job? -(I've had it) for fifteen ye20200221——springboot整合Rabbitmq
关于注解qualifier 注解qualifier 文件目录producer同 consumer 启动类 package com.xuecheng.test.rabbitmq; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; /** * @Classname TestRabb百度20200221
1.synchrnoized和reentrantlock的底层实现及重入的底层原理 2.锁的四种状态及升级过程 3.CMS和G1的异同 4.G1什么时候引发Full GC 5.除了CAS，原子类，syn，Lock还有什么线程安全的方式 6.HashMap和Hashtable的异同 7.允许null键的m