Preface

Others have got an offer again. This time it is from Ant Financial. Next, I will share with you the interview experience of the big factory, I hope it will be helpful to everyone, and I hope I can pay attention and support the editor.

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Delivery skills:

Introduction, there is only one technique. If you don’t have access, and your education is average, you can only be cool. It is recommended to add bloggers to the exchange group, and there will be internal push from time to time.

Written test preparation:

You can only brush the questions, and the details of the content are below.

Interview preparation:

Your knowledge structure
Your expressive skills
What you know about other companies
How confident you are of the project
Your extended thinking
The breadth of your attention

Ant Financial Interview Process

One side: (45 minutes and 26 seconds)

1- Introduce the project, ask a bunch of projects

2- tomcat cache, let’s talk about the overall understanding of the cache, know how many kinds of cache

3- SQL optimization ideas, the mapping relationship between the joint index and the underlying tree structure, the index structure (B+, B-), why use such a structure

4- spring bean life cycle (detailed), scope

5- The design of optimistic and pessimistic lock, how to ensure atomicity, and solve the problem

6- Read your blog, explain the principle of lucene, inverted index, how to perform Chinese word segmentation, and based on what to do word segmentation

7- How did you design the system cache, why and what scene

8- Java basics, you can probably talk about the understanding of collections, io, and multithreading.

9- Introduce the next department

Two sides: (43 minutes and 10 seconds)

Self introduction

1- Introduce your most prominent points in the project. How did you design, what is your role and design process, what are the problems encountered, and how to solve them?

2- What do you mean by SQL optimization, and how to do it. I ask if I need to explain the execution plan in detail? no need.

3- Have you seen the Java source code or the source code of an open source framework? I said: yes. Interviewer: Which ones have you seen? ?

I said: For example, Spring, a series of collection classes in JDK, most of the source code under the JUC package, MyBatis source code, etc.

4- What is your study plan for yourself? ? Uh, I am learning distributed recently. Interviewer: Oh? How did you learn, what did you learn?

Then talk about a bunch of distributed things

5- Do you have any questions for me?

Three sides: (15 minutes and 35 seconds)

1- A function of the project, what is the function point, why it is packaged, what is the performance bottleneck, and the solution

How do you upgrade your system

2- topN large data volume problem

3- Why choose Ali but not Baidu Tencent

Only 15 minutes, thought it was cold

Four sides: (40 minutes and 32 seconds)

1- Introduction

2- What are your advantages compared to the same class? ? What case proof

3- You said you like new things, is there any case proof?

4- What impressed you the most about the project? What does it give you to grow? case

4- Work location requirements? ?

5- Internship time?

6- What do you want to ask me?

to sum up

Ali pays great attention to your understanding of the source code, the understanding of what you have learned and what you use, and the understanding of the project. So next, in order to interview the big factory, the editor comes to share information again