Today I brought an "Alibaba Interview Guide (Huashan Edition)" article covering the following Java core interview knowledge points:
"Distributed + Middleware + Big Data and High Concurrency + Database + Design Patterns and Practice + Data Structure and Algorithms + Examples of Interview Questions"
distributed
- 1. The characteristics of large-scale website system
- 2. The evolution and development of large-scale website architecture 3. Split VS cluster
- Four, microservices VS SOA
- Fifth, the front and back ends are completely separated from the Rest specification
- Six, CAP three-in-two and Base theorem
Middleware
- One, cache
- Second, the message queue
- Three, search engine
Big data and high concurrency
- 1. Spike architecture design
- 2. Development history of database architecture
- Three, MySQL's scalability bottleneck
- Fourth, why use NOSQL NOT ONLY SQL
- Five, traditional RDBMS vs NOSQL
- Six, the type of NOSQL database
- 7. How to store product information on Alibaba's Chinese website
- 8. Horizontal and vertical split of data
- Nine, distributed transactions
- 10. BitMap
- 11. Bloom Filter
- 12. Common current limiting algorithms
- Thirteen, load balancing
- 14. Consistent Hash algorithm
database
- One, the database paradigm
- Two, database development specifications
- Three, database index
- 四、MyISAM vs InnoDB-
- Five, the problems caused by concurrent transactions
- Six, transaction isolation level and lock implementation mechanism
- Seven, MVCC (multi-version concurrency control)
- Eight, gap lock and phantom reading
Design patterns and practices
- —, OOP Five Principles SOLID
- Second, the design pattern
- Third, the agency model
- Fourth, aspect-oriented programming (AOP)
- Five, the factory model
- Six, inversion of control IOC
- Seven, the observer mode
- Eight, Zookeeper
Data Structures and Algorithms
- One, the tree
- Two, BST tree
- Three, BST tree
- Four, AVL tree
- Five, red and black trees
- Six, B-tree
- Seven, B+ tree
- Eight, dictionary tree
- Nine, jump table
- 十、HashMap
- Eleven, ConcurrentHashMap
- Twelve, ConcurrentLinkedQueue
- 13. Topk problem
- 14. Resource pool thinking
- 15. JVM memory management algorithm
- 16. Container virtualization technology, Doocker thought
- 17. Continuous integration, continuous release, jenkins
Examples of interview questions
- 1. Design a globally unique issuer in a distributed environment
- 2. Design an LRU cache with expiration time
- Three, design a distributed lock
- Fourth, design a unified configuration center in a distributed environment
- 5. How to prepare for HR interview
to sum up
The "Golden, Three, and Four, Salary Seasons" are underway. For interviews, you must read books and write questions, so this information is definitely indispensable. Friends who need this document can: Click here to get a copy for free reading!