The text content is too long, please read patiently, perhaps to confused you help, the focus of the article in the latter part.

preface

At twenty, youthful and free, it’s a good thing, of course, but in a sense, it’s not too optimistic. In fact, many young people around the age of twenty, easy to go wrong, the idle as a state of nature, is too easy for casual life we don’t have clear life goal and real life ideal, that he couldn’t find a job after graduation, into the home, then going to comfort myself “whose youth don’t lost”?

If you want to be confused at 20, you need to start planning the rest of your life as early as possible to increase your chances of getting lucky.

In the life of twenty years old, how can we achieve no confusion?

Many people eat a few youth literature, like to “whose youth is not confused” hanging on the mouth, but try to ask yourself, is it really confused, or you have not thought about the future, no planning life?

Because any difficult point, there is a breakthrough. You have no ability, you can change yourself through study; You have no appearance level, you can rely on makeup to beautify yourself; If you don’t have money, you can save it. You can save money by eating less takeout and cooking more from scratch. You can save money and learn a skill at the same time. Twenty years old for you, the job may not be stable, the salary may not be good, but life is your own business, good or bad, depends on your state.

Programmer, how to be confused? (How did I do that?)

1. Divide your time into stages to grow in stages

Life is long, and we are good at dividing our life into several important stages, such as childhood, adolescence, youth, middle age and old age. At each stage, we have different roles to play and things to do. So why not continue to divide these stages into different stages to plan?

In college, it is the best stage to plan their own, freshman is the stage when we start to know new things, sophomore is the stage when we want to determine the direction of life goals, junior is the stage when we strive to sprint toward the goal, senior is the stage to usher in the next choice. Therefore, in what stage is about to do what things, so that their phased growth.

So how do I plan myself in college?

• During ** freshman year: ** freshman year, like many students, was new to everything and basically did not have too much planning, but did participate in a lot of activities, the Student Union, associations and so on, and met a lot of seniors.
• During ** sophomore year: ** began to gradually realize the importance of learning in her sophomore year and began to make plans. She studied carefully with the teachers in school and knew the importance of laying a good foundation.
• ** Junior year: ** junior year, basically even one foot out of the society, ready to find an internship, this stage is very critical, not only to understand the knowledge of the industry, but also to quickly improve their job requirements of the technical level.
• During the senior year: * * * * this time would be much needless to say, start planning their later development, because I have no plans to move one’s deceased father grind, so I have to draw the blueprint clear his own career, now that chose the direction of Java, so how to become a senior Java development personnel, even the architect, is I am going to consider and after.

2. Determine the direction and sort out the growth roadmap

Needless to say, I believe we all have a consensus: no matter what industry, the best people must be standing at the top of the pyramid. Therefore, if you want to be an excellent programmer, you should make yourself stand higher. To become a technical champion is not a matter of a day. It takes time to settle and accumulate technology.

In this regard, when I established the direction of Java at that time, I had already started to comb out my growth path, including how to systematically learn the technology, which was very detailed.

I got the offer from Bytedance on four occasions

In the second semester of my junior year, I had an internship in an Internet company. In my senior year, I began to plan my plans after graduation, and I was also preparing for the college recruitment. Of course, the goal was higher, so alibaba and Tencent naturally tried. The final result was bytedance, which was a relatively risky interview process, because MY target was Ali, so I prepared a little bit more framework stuff, the algorithm basically did not look at it, but it was really “shit luck”.

Bytedance side:

• The internship program lasted about 30 minutes
• MySQL > query the MySQL index
• Redis is a string
• Why RabbitMQ?
• What components does RabbitMQ have? How to ensure accuracy and consistency?
• The equals and hashcode?
• A dynamic proxy
• Fast row
• Unordered arrays calculate how many digits are larger than each position (merge sort)

Bytedance side 2:

• Ask the project
• How do I tune the JVM?
• The CPU is full after rebooting the system, but for a while is full again, how to solve specifically?
• How to set up the second kill system?
• How to set up the banking system, what are the problems?
• Why was mongodb used in the project?
• The same two algorithms:

A text distance calculation (solved by dynamic programming)

One is how much rain can be stored in an unordered array

Three aspects of Bytedance:

• Design SQL and tables
• The JVM structures
• How do you study at ordinary times?
• What books did you read?
• How to set up a red envelope grab function?
• And what problems did you encounter in your project? How is it solved?
• The technical selection of the project and why it was chosen?
• And then write an algorithm?
• Implementation of hashMap enhancement, plus automatic expiration deletion and elimination policy implementation of the shortest expiration deletion?

HR:

• About my internship experience
• Asked about the technical planning
• What other companies did you invest in?
• What do you know about Bytedance? What products have bytes been used? How to evaluate?
• Why did not take the postgraduate entrance exam?
• Tell me the most important thing you learned from the project

Answers to interview questions

Luck comes to the prepared mind. “shit luck” is not real shit

Although I laughed at myself for being lucky, I have always understood that luck will only come to those who are prepared. When an opportunity comes, you have to be able to seize it.

Therefore, before the interview with these first-tier Internet companies, I began to prepare for the job, including learning new technologies, improving my technical level, even brushing the interview questions and reading the interview posts, which played a great help to my interview. About the interview preparation, I mainly did the following aspects:

The following content covers many web disk materials (including videos, notes, technical literature and interview question bank), which can be obtained free of charge by clicking here with screenshots

(1) Systematically study through video

University to learn a wide range of content, but extensive, not systematic enough in-depth, so can only through spare time to “make up lessons”. My way is to collect and organize a set of Java zero-based learning video, learn from scratch, after watching all the video, basically there is a very clear idea and framework structure.

(2) Read some technical notes of predecessors

These notes are from senior students and technical cattle on the forum, read a lot of, indeed to many technical points of understanding is helpful, learn a lot of ideas.

(3) Brush the topic preparation, direct to Dachang

Brush questions in order to understand what the big factory interview will ask, but also to improve their technical memory points, so that in the interview more confident. In fact, brush questions when we flexible, learn to draw inferential, in the real interview or can play a role.

conclusion

Emerson said: a goal toward their own people, the whole world to give way to him. Therefore, as you in your twenties, it is very simple to be confused. If you think more and plan more, your future will be clearer and you will go on step by step towards your goals and achieve success as soon as possible. Age, after all, is an advantage in the world of programmers.

If you have no backer, let yourself be your most stable backer!

The information in the above article can be shared with everyone for free to learn, whether you are zero foundation or working for many years, it is never too late to start now. 100% free access to materials required:

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