In addition to Weibo, there is also WeChat
Please pay attention
WeChat public account
Shulou
2025-04-02 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Internet Technology >
Share
Shulou(Shulou.com)06/02 Report--
One side:
HashMap implementation principle, ConcurrentHashMap implementation principle
Red and black trees, why local imbalances are allowed
The difference between TCP,UDP, why reliable and unreliable
The whole process of a HTTP request, including domain name resolution, host location, etc.
TCP three-way handshake
What is a MySQL transaction? Four characteristics, four isolation levels
The difference between ConcurrentHashMap and Hashtable
Spring IOC and AOP, and what are their advantages
What are the commonly used thread pools
Under what circumstances do you use Runnable and Thread to create threads and the difference between Runnable and Callable
How to handle the exception in the thread method, and can the secondary thread catch it?
The difference between synchronized and lock, under what circumstances synchronized and ReentrantLock are used
Which zone is the object of JVM assigned and which zone is the Class object assigned?
Two sides:
Introduction of commonly used design patterns: singleton pattern, decorator pattern, etc.
Will there be a memory overflow in Java? Under what circumstances will it happen?
Parental delegation model, why do you do this?
Under what circumstances does the object enter the old age?
Quick sort, talk about the process.
AOP implementation principle: dynamic proxy
BIO, NIO (how to implement), AIO
What are the message middleware? What are their strengths and weaknesses?
Redis, persistence framework
Stack and queue
Garbage collection algorithm
Index of MySQL
Tomcat class loader
OOM memory leak, under what circumstances will it occur and how to troubleshoot
Three sides:
Introduce your practical performance optimization cases and your optimization ideas.
The difference between micro-service and SOA, advantages and disadvantages
SQL slow query optimization scheme, index and table optimization scheme.
The difference between MySQL and MongoDB, the storage of massive data
Differences between caching frameworks, such as Redis and Memcached, advantages and disadvantages comparison
Please describe the uniform hash algorithm
What are the sharing schemes of distributed session and what are the advantages and disadvantages?
High concurrency, what are the optimization schemes of the system, and priority.
Interview summary
Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.
Views: 277
*The comments in the above article only represent the author's personal views and do not represent the views and positions of this website. If you have more insights, please feel free to contribute and share.
Continue with the installation of the previous hadoop.First, install zookooper1. Decompress zookoope
"Every 5-10 years, there's a rare product, a really special, very unusual product that's the most un
© 2024 shulou.com SLNews company. All rights reserved.