A few years ago, the company interviewed 30+ candidates for the Java position. After the interview, I found several situations that were almost impossible to pass. It really couldn't be more real. . .
1. The new technology is mastered quite a lot, but the basic is a mess.
2. After working for many years, I have never learned the technology stack outside of work, and I have no interest in technology. If you encounter problems, go to Baidu csdn to see the solution.
3. Business simplification and aging technology stack, simple technology, seven or eight years of work, all projects are spring+mybatis/hibernate+mysql.
In these cases, there is generally no hope for interviews. After all, for most programmers: the most important thing is to establish a systematic knowledge support system, so that they have a solid Java basic ability.
If it is to hit the big factory, it can also meet the recruitment needs of the big factory, with excellent technology and strong practical ability .
In addition, the interview stage also needs to work hard. The key part is to thoroughly understand the real interview questions of large factories and build up the grasp and confidence of the interview.
Here is a set of 2022 job-hopping and salary-raising Java interview questions (the top 200 get free), covering 8 core technologies, major technical points, interview difficulties, and advanced points.
1. Java concurrent programming (involving the working principle and application of Java multithreading, the working principle and application of Java thread pool, as well as locks, process scheduling algorithms, etc.)
2. The principle and application of distributed cache (involving the introduction of distributed cache, the principle and application of Ehcache, the principle and application of Redis, the core issues of distributed cache design, etc.)
3. ZooKeeper principle and application (involving ZooKeeper election mechanism, ZooKeeper data model and ZooKeeper application scenarios, etc.)
4. The principle and application of Netty network programming
5. Kafka principle and application (involving Kafka composition, Kafka data storage design, Kafka producer concurrency design, Kafka consumer concurrency design, and Kafka installation and application, etc.)
6. Design patterns (involving 23 common classic design patterns)
7. Spring principle and application (involving Spring IoC principle, Spring AOP principle, Spring MVC principle, transaction, MyBatis cache, etc.)
8. Spring Cloud principle and application (involving Spring Boot, Spring Cloud Nacos, Eureka, Consul, Sentinel, Hystrix, Seata, Zuul and Spring Cloud link monitoring, etc.)
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9. Data structures and algorithms (involving stacks, queues, linked lists, hash tables, binary trees, red-black trees, graphs and bitmaps, binary search, bubble sort, insertion sort, quick sort, Hill sort, merge sort, bucket sort , radix sorting and other algorithms)
10. Network and load balancing principles (involving TCP/IP, HTTP, common load balancing algorithms and LVS principles, etc.)
11. JVM principle (involving JVM operating mechanism, JVM memory model, common garbage collection algorithms and JVM class loading mechanism, etc.)
12. ElasticSearch principle and application (involving ElasticSearch data model, ElasticSearch distributed architecture, ElasticSearch data reading and writing principle and segment merging, etc.)
13. Spark principle and application (involving Spark features, Spark module composition, Spark operating mechanism, and the principles and use of Spark RDD, Spark Streaming, Spark SQL, DataFrame, DataSet, Spark Structured Streaming, etc.)
14. Flink principle and application (involving Flink core concepts, Flink architecture, Flink event-driven model, Flink data analysis application, and Flink state-based memory computing, etc.)
15. Hadoop principle and application (involving HDFS, MapReduce, YARN, etc.)
16. HBase principle and application (involving HBase columnar storage data model, HBase architecture composition and HBase data read and write process, etc.)
BAT Interview Assault Video Series
A must-have for a big factory algorithm interview and a video of LeetCode brushing the questions
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In addition, there is also a free video learning path recommended to everyone, one of the fastest and most effective ways to improve, join the 2022 large factory salary increase interview special training camp , the technical course currently being shared for free is "Spring Family Bucket Bottom Source Code" In -depth analysis and architecture practice" , to help you improve your soft and hard skills, easily deal with interview problems, and get high-paying offers.
Group benefits
01
Enjoy the services of regular sharing and answering questions, in-depth analysis of industry trends, interview special training and system learning plan formulation, etc., with a strong technical atmosphere, high learning enthusiasm, easy job hopping, promotion and salary increase.
02
In response to the skill requirements of the interview positions, the interview questions cover the underlying source code to the high concurrency architecture of Redis, as well as various core technology points and hot knowledge points such as microservices, performance tuning, and massive data processing of billions of traffic, so as to comprehensively improve the core competitiveness!
03
At the same time, you can accumulate real massive data cases and projects of hundreds of billions of enterprises by brushing questions to improve your actual combat ability.
Now scan the code and enter the group to get free materials, help you improve your soft and hard skills, easily deal with interview problems, and get high-paying offers.
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