Internet giant Java senior engineer 1260 interview questions (with answers) sharing

Is it necessary to memorize stereotyped essays in Java interviews?

My answer is: very necessary . You can hate this model, but you must memorize it, because if you don't memorize it, you won't be able to enter a big factory. Nowadays, the essence of Java interviews is stereotyped essays. Only by memorizing the interview questions of stereotyped essays can you perform well in the interview. Golden September and Silver Ten recruitment golden season is coming! When you are struggling in the postgraduate entrance examination and job hunting, you may wish to read the interview questions first, after all, our ultimate goal is to find a job you like! Good jobs come early, so students should prepare early!

Every year, Golden September and Silver October are the best time for major companies to recruit programmers. During this period, many programmers worry about interviews. They don’t know how to receive a good offer, get an ideal salary, and realize their own goals. the value of life!

What I want to tell you is that you don’t have to worry about it, just prepare well.

Java interview

Now Java interviews are all based on stereotyped essays , so I spent a long time collecting and sorting out this set of Java interview questions. I wrote a Java interview manual, which is a PDF version.

Take a look at the overall outline

JavaOOP Interview Questions (108 Questions)
Java Collections/Generics Interview Questions (24 Questions)
Java exception interview questions (8 questions)
IO and NIO interview questions in Java (15 questions)
Java Reflection Interview Questions (11 Questions)
Java serialization interview questions (38 questions)
Java annotation interview questions multi-threaded & concurrent interview questions (78 questions)
JVM interview questions (108 questions)
Mysql interview questions (78 questions)
Redis interview questions (96 questions)
Memcached interview questions (54 questions)
MongoDB interview questions (12 questions)
Spring interview questions (30 questions)
Spring Boot interview questions (156 questions)
Spring Cloud interview questions (124 questions)
RabbitMQ interview questions (86 questions)
Dubbo interview questions (70 questions)
MyBatis interview questions (45 questions)
ZooKeeper interview questions (30 questions)
Data Structure Interview Questions (82 Questions)
Algorithm interview questions (109 questions)
Elasticsearch interview questions (8 questions)
Kafka interview questions (16 questions)
Microservices Interview Questions (90 Questions)
Linux Interview Questions (45 Questions)

JavaOOP

Java collections/generics

java exception

IO and NIO in Java

java reflection

Java serialization

Multithreading & Concurrency

JVM

Mysql

Redis

Memcached

MongoDB

Spring

Spring Boot

Spring Cloud

RabbitMQ

Dubbo

MyBatis

ZooKeeper

What is Zookeeper?
How does Zookeeper guarantee the distributed consistency characteristics?
What does ZooKeeper provide?
Zookeeper file system
ZAB protocol?
Four types of data node Znode
Zookeeper Watcher mechanism--data change notification
Client registers Watcher implementation
Server-side processing Watcher implementation
Client callback Watcher

data structure

Elasticsearch

Kafka

microservice

Linux

Interview, hard or not? Is the end result good or bad? It depends on the interviewer's background (aura + skills), mentality and cognition, and communication skills. And some mainstream large-scale Internet company interviews (Alibaba, JD.com, Meituan, Didi) require you to show your abilities during the interview, so as to gain the appreciation and affirmation of the interviewer.

And programmers need to go through layers of interviews when applying for a job. As the saying goes, sharpening a knife does not cut firewood by mistake, and doing a good job of preparation before the interview can help you better deal with the interviewer's questions and emergencies during the interview.