Organize a report for growth Java Technical expert's 7 A skill system , I hope it can be used as a reference for your high salary road
 

1.Java Programming prerequisites

Java Programming essential skills

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Multithreading : Create and use , Thread synchronization and locking , Mastery of thread pool, etc

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JVM: You only have a deep understanding of the memory recycling mechanism of virtual machines , Can be used correctly JVM performance tuning

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master NIO, And corresponding NIO frame Netty

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JUC Tool kit under :AtomicInteger Equal atomic operation class , be based on AQS lock :

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ReentrantLock

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Semaphore

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CountDownLatch

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ReentrantReadWriteLock

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SynchronousQueue

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FutureTask

2. Data structure and algorithm

​3. Common design patterns

​ Design pattern

Key points of design mode :

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Create type : Factory method , Abstract factory , Singleton mode

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Structural type : Decoration mode , Appearance mode , Combination mode

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Behavior pattern : Strategy mode , Observer mode

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Software design principles : Interface isolation , Principle of single responsibility
 

4. Development framework

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Sub database and sub table framework :tddl,cobar,mycat Selection and use of

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Service oriented :Dubbo,gRPC,Spring Cloud

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load balancing :LVS,Nginx,HAProxy

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cache :Redis,Memcached

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Message queue :RabbitMQ,Kafka,RocketMQ

5. database



MySQL The database needs to master more transactions , lock , Indexes , performance optimization , And how to cooperate NoSQL Selection and use .

6. Build tools

7. Large website architecture design

Technology
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