5,6 This month is the job season for fresh students , Companies generally appear “ Pay upside down ” Phenomenon of , That is, the salary of new employees is higher than that of old employees at the same level .
Although upside down exists , But not necessarily , The key is still in personal ability .
Want to avoid being “ Pay upside down ", The best way is to improve your work , You are good enough , Naturally, it is not so easy to be accepted by fresh students “ volume ” reach ……
In addition to pursuing progress in technology , We should also establish our own advantages , Expand yourself in other ways .
There is also a relatively simple and crude way to avoid , That's job hopping ! Take advantage of the job season , Many high paid technical positions are vacant , Take advantage of the opportunity !
Next, let's share a copy 《 Alibaba interview reference guide 》 It contains ： Distributed , middleware , Big data and high concurrency , database , Design mode .... There is also a series of necessary knowledge of interview practice , Answering skills , practical experience , The quality is very good !!!
This information has helped many friends get a salary increase of more than 50% Salary （ Collect quickly ） private letter [ file ]
Detailed information display
JVM piece ：JVM Class loading mechanism ,JVM Memory model , Garbage collection mechanism , Implementation mechanism of class bytecode ,JVM Tuning case ,GC Algorithm, etc
Java Concurrent programming ：java Memory model , Concurrent set , Thread pool , Blocking queue ,CAS Atomic operation , Lockless concurrency framework Disruptor etc.
Spring piece ：spring IOC,spring AOP principle ,spring 5,springMVC, transaction management , Cyclic dependence ,spring Design mode, etc
Mysql piece ：SQL Execution principle , Indexing underlying mechanism ,SQL Execution plan analysis ,Mysql Lock mechanism ,Mysql Transaction isolation ,SQL Optimization Practice
SpringCloud： Service discovery and registration Eureka And Nacos, Service current limiting fuse degradation Hystrix And Sentinel, Distributed transaction Seata, gateway Gateway
Dubbo piece ：Dubbo Basics , architecture design , colony , to configure , communication protocol ,SPI etc.
Redis piece ：Redis Core data structure ,Redis Persistence mechanism and security mechanism , Sentinel and cluster architecture ,Redis Cache penetration , Cache invalidation , Cache avalanche ,Redis Cache design and performance optimization ）
Distributed article ： Principle of distributed architecture , Cluster architecture principle , Distributed lock , Distributed transaction , Distributed protocol , Distributed configuration , Massive data sub database and sub table , Distributed scheduling
Design pattern ： Singleton mode , Factory mode , Abstract factory pattern , Builder pattern , Prototype mode , Adapter mode , Decorator mode , Agent mode, etc 23 Design patterns
Data structure and algorithm ： Red black tree ,B+ tree , Greedy Algorithm , Hash divide and conquer , Seven search algorithms , dynamic programming , Consistency algorithm