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Java interview before the need to do all aspects of preparation, we will certainly browse a large number of interview questions in the past interview experience, I am no exception, through browsing interview questions and past interview experience, summarizes the primary, intermediate, advanced interview questions and interview skills and interview experience, for everyone to learn and discuss.
Interview questions – No. 001-010
Why does Java not support operator overloading?
Hashcode () equals() equals()
What is the difference between class. forName and ClassLoader in Java?
[Issue 004] Do you know why HashMap is thread unsafe?
[Issue 005] What is redis avalanche, penetration and breakdown? What happens when Redis crashes? What is the response?
Q: Tell me about capacity and expansion in HashMap.
What design patterns are often asked in interviews? Slacker, jerk, double check locks, enumerations, and static inner classes
[Issue 008] Why message queues? What are the benefits of using message queues?
[Issue 009] How to access the massive data in Redis correctly? The service will not fail!
Interviewer: Can you tell me the difference between SOA architecture and microservices architecture?
Why do you want to split a database?
Interviewer: What is Java reflection? I didn’t answer!
Are you still dating someone new? Java8 universal Builder
Do you really understand the ConcurrentHashMap data structure?
[Issue 015] How to achieve final consistency between MySQL database and Redis cache? !
Interview questions – Basics
Java Basics — Java Development Interview Question 1
Java Basics — Java Development Interview Question 2
Java Basics — Java Development Interview Questions 3
Java Basics — Java Development Interview Questions 4
Java Basics — Java Development Interview Questions 5
Java Basics — Java Development Interview Questions 6
Java Basics — Java Development Interview Question 7
Java Basics — Java Development Interview Question 8
Switch Case statements in Java
Java Basics – Map collection class introduction and usage principle analysis
Java Basics – Multithreading concept and usage principle analysis
Java Basics – In-depth understanding of the basic concepts and use of reflection
Understand cookies, sessions, and tokens once and for all, and you’ll have no problem fighting with your interviewer
Java Basics – 20 Best Practices for Java Exception Handling. How many do you know?
Interview questions – Intermediate level
Automatic packing and unpacking of Basic Data types in Java
Random () and random classes in Java to generate random numbers and source code analysis
Java Intermediate – Java for the optimization and use of bitwise operations and thinking
Java Intermediate – Common Java memory overflow and troubleshooting details
Java Intermediate – 35 Java code optimization tips. How many do you know?
Java Intermediate – 2020 Java Multithreading and concurrency series 22 frequent interview questions
Java Intermediate Article – Java consistent Hash algorithm for load balancing applications, highly recommended!
The Spring MVC interceptor is a Spring MVC interceptor.
When the interviewer asked about Java thread pools, he gave him a thumbs up!
Interview questions – Advanced section
Java Advanced chapter – HashMap source implementation principle and underlying structure interview question 9
What are the differences between queues and queues in Java
How to resolve Hash conflicts? Interview questions 11
TCP,UDP, socket,Http, TCP,UDP,Http
The difference between Session and Cookie
In this article, we will discuss the four types of Thread pools in Java and the disadvantages of new threads
Java Advanced — Java NIO: An Overview of the I/O Model
Dubbo and Zookeeper
Advanced Java – JavaIO flow and Buffered efficiency in detail issue 17
Q: Tell me about your understanding of locking and sychronized implementation in Java
How is conditional annotations implemented in Spring Boot?
Java Advanced – The Interviewer: These MQ message queue questions I would have to ask in an actual interview!
Have you ever used distributed locks and how did you do it?
Interviewer: You talked about Redis’ expired key deletion strategy
Interview questions – Algorithms
Interview algorithms for Java
Java Algorithms chapter 02 – Classic Java interview algorithms
Java Algorithms chapter 03 — Java Classic Interview algorithm
Interview questions – Other essays
Interviewer: Tell me how HashMap resolves hash conflicts.
The interviewer asks: Will Redis break down due to too much data and full memory? How to reclaim memory?
Why is utF8 not a true UTF-8 encoding in MySQL?
Why does the code specification require SQL statements not to have too many joins?
Learn these 10 Maven Questions to blow your interviewer away!
How to resolve if… Esle code too much problem, highly recommended!
The volatile keyword in Java is volatile.
How to implement time control elegantly in Java, solve the problem of Token invalidity and form repeated submission
BAT and other companies must ask the 8 Java classic interview questions, do you know?
10 years of work, interview more than 100 people want to enter the “big factory”, summed up 8 categories of interview questions
Java development in the common path problem analysis and solution, how will you solve?
BATJ’s latest collection of Java interview questions
Super comprehensive summary of MySQL database optimization interview question analysis
Comprehensive coverage of database SQL statement optimization intensive, must see series of recommendations!
Redis performance problem analysis and optimization methods, very practical!
If you can’t handle the Redis interview, check out the Redis interview questions and answers
MyBatis framework in the dynamic SQL statement common tag basic usage, worth a look!
Why can’t you directly reference the columns in the original table after GROUP BY
MyBatis interview questions and answers
Zookeeper interview questions and answers
Distributed cache Redis cluster construction, one time to help you fix!
Spring loop dependencies are a popular Java interview question.
Understand the difference between Init and Clinit in the Java JVM virtual machine
How does Redis persist? Comparative analysis of RDB and AOF
Interviewer: Why choose B+ tree as database index structure?
Q: How can MyBatis log be compatible with all common logging frameworks?
Ali interviewer asked: how to design and implement the short link URL service?
MyBatis tens of millions of data records how to achieve streaming query, fast paging
With HTTP, why RPC? What’s the difference?
Spring Boot project different environment package configuration and Shell script deployment practice, too practical!
Five ways to gracefully stop services in the Spring Boot project, worth bookmarking!
Java what is IO stream, byte stream, character stream both difference, buffer flow principle code analysis
MySQL lock principle through 6 deadlock cases, let you thoroughly understand the MySQL lock mechanism, deadlock cause!
MyBatis 3.5.X performance issues in JDK8 that you may have overlooked
How can I enable an asynchronous thread pool for a scheduled task in Spring Boot
Spring Boot framework uses custom annotation + interceptor to encrypt and decrypt sensitive data such as ID card
Java ThreadPoolExecutor thread pool: Workflow, common parameters, performance tuning, and monitoring
9 practices for handling Exception in Java that have been adopted by many teams and are worth collecting!
Four elegant solutions to counting code execution time in Java
MySQL pagination using limit and offset parameters causes slow execution.
The net is probably the most complete JAVA logging framework adaptation, conflict resolution solution
Interview Skills
Java Interview Tips – How to Introduce yourself
Java Interview Tips – How does the candidate’s resume pass the initial screening
Java Interview Tips – AFTER interviewing several candidates, I came up with this Java interview tip!
Interview Experience
Brief introduction to Java backend development engineer Tencent interview experience sharing summary
After 4 rounds of 2-hour interview, a girl successfully got the Offer
10 Unspoken Rules for Java Programmer Interviews
One day in December 2020, 15 programmers had a remote video “real” interview, recording the interview process
Why do I feel that I don’t understand the basis at all?
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