Summary of Java high-frequency interview question bank in the first half of 2023 (600+java interview real questions with answer analysis)

I don’t know when, the Internet industry has set off a cold winter wind, and people everywhere feel a sense of precarious chills. I always feel that I will not see the sun of tomorrow. Thinking about it carefully, the various situations in the industry recently It does worry a lot of people.

From the mouths of several programmers I know, the Internet has entered the cold winter of the cold winter, and it will get worse in the future. Layoffs and salary cuts are being carried out on a large scale, and most of the people over 35 years old will face job transfers. .

Although the Internet industry is experiencing downsizing and recruitment reduction, in fact, compared with the bleakness of traditional industries, the market that the Internet industry faces is still more dynamic in terms of development prospects and recruitment needs .

We should not be overly pessimistic and put too much pressure on ourselves, but continue to look forward. Every industry must have its own ebb and flow, and what we should do is to seize these opportunities when the wind blows, Recently, the editor has sorted out a set of high-frequency test questions for the Gold, Three, Silver and Four interviews, and compiled them into a complete PDF document. In addition, I also collected a note of "Java core knowledge points" from the Internet, and shared it with everyone. It is a technical reserve, or it can be used in interviews.

This interview document has a lot of content, and the space is limited. I will show you some of the content.

Java engineer high-frequency interview system

Java collection interview questions

JVM interview questions

Concurrent Programming Interview Questions

Spring interview questions

Microservices Interview Questions

Dubbo interview questions

Internet interview questions

Zookeeper interview questions

Redis interview questions

Java core knowledge point system document

Friends who need these two notes, [ click here ] to get them for free!

In my opinion, the cold winter of the Internet is not all a bad thing. When it gets cold, it will be a process of washing the sand with big waves. Those who can survive the winter have two brushes. Overcoming the cold winter is a great opportunity. I hope everyone can welcome their own opportunities!

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Origin blog.csdn.net/mxt51220/article/details/131304941