If you don't understand the gap with others, you will never become an architect! What's the difference between a monthly salary of 15K and a monthly salary of 65K?

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2020 The year is coming to an end ,2021 The golden three silver four job hopping season is coming , When I was at a party with my friends recently , Asked a question , say Java Programmers need to achieve a monthly salary 65K, What level of technology is needed ？

First ：65K What are the corresponding levels ？

65K The monthly salary of BAT It's very common to wait for big factories , Generally senior engineer and senior engineer positions , It's in Ali p6~p7 about , In Baidu is t5 about , Tencent is t2-3 about , In Jingdong t3-1, Meituan is p6 about , I don't know anything else .

secondly ： How to reach the corresponding level ？

65K The salary is not very high , But for most programmers , It can also be used as a “ Small target ” 了 , Today, I'm here to share with you an example that can help you advance to these levels Java Technology Roadmap , And there are supporting learning materials , So that you can not only decide 65K The little goal of , There are also specific ways and means to achieve this small goal .（ Technical brain maps can be saved , The supporting technical data are in At the end of the article obtain ）

One ： Bottom source analysis

Study Java Technical system , Design patterns , Popular frameworks and components

• Common design patterns , Necessary for coding

• Spring5, The latest framework necessary for application

• MyBatis, Playing the essential components of database

Two ： Distributed architecture

High concurrency , High availability , Huge amounts of data , Without the knowledge of distributed architecture, we can't play around ：

• The principle of distributed architecture

• Distributed architecture strategy

• Distributed middleware

• Distributed architecture practice

3、 ... and ： Microservice architecture

Business is getting more and more complex , Service layering , Microservice architecture is the only way to upgrade the architecture ,Java Technical system , What are the technologies related to microservices ？

• Microservice framework

• Spring Cloud

• Docker And virtualization

• Microservice architecture

Four ： performance optimization

Anything out of detail ppt Architects are all hooligans , Up can strategize , Downward can solve a linear energy problem ,Java Technical system , Need to know ：

• Performance index system

• JVM tuning

• Web tuning

• DB tuning

5、 ... and ： Engineering and tools

If a worker wants to do a good job, he must sharpen his tools first , Whether it's Xiaobai , Or senior development , play Java Technical system , Choose a good tool , Improve development efficiency and team cooperation efficiency , Is essential ：

• Maven, project management

• Jenkins, Continuous integration

• Sonar, Code quality management

• Git, version management

How to learn together , Is there any free information ？

Recently, I have also collected dozens of sets of Tencent according to the above technology system chart 、 headlines 、 Ali 、 Meituan and other companies 19 Interview questions for , Put the technology points into a video （ In fact, it took a lot more energy than expected ）, Contains the context of knowledge + A lot of details , Due to limited space , Here is a part of it in the form of pictures （ More complete content and information , stay At the end of the article obtain ）.

This roadmap and information are for people Group ：

1. No work experience , But the foundation is very solid , Yes java Working mechanism , Common design ideas , Commonly used java Master the development framework skillfully .

2. I'm going to have an interview recently Java The programmer , Leak filling , So as to make up for the shortage as soon as possible ;

3. Want to know “ First line Internet companies ” The latest recruitment needs / technical requirement , Compare and find out your strengths and weaknesses , Assess how competitive you are in the existing market ;

4. Do a few years Java Development , But it's not systematic Java Knowledge system , Programmers who lack clear promotion direction and learning path .

I believe it will bring you a lot of harvest .

How to get information ： give the thumbs-up + After attention “ Add me VX Little assistant ” Free access ！