A few days ago, I talked about an interview with a friend , He said he got both Tencent and Ali last month offer, Finally chose Ali .

I learned about his interview process , Just a little , Whether it's Ali or Tencent's interview , Programmers at this level , Will examine the project management ability , And the weight is very large .

In fact, no matter what position you interview now , The front end is also good , Back end , Must examine management , It's off , Basically, there's no big problem .

He told me , Those big factories think , Only everyone in the project has enough management awareness , To ensure that there are no mistakes in the work , Maximize efficiency .

But think about the daily work scene of the technical post , Also reasonable :

The product manager doesn't do business every day , The demand is headless , Annoyed ;

Endless regular meetings every week / Docking meeting , No efficiency at all , Annoyed ;

Same requirement , We have to connect with people in several departments again and again , Annoyed ;

Disagreement , I want to say, but I can't say it again , Can only be accepted passively , Annoyed !

The reason for these problems at work , In fact, it is mostly because of the lack of project management ability .

Mention project management capability , Many people's first reaction is the position of business supervisor . However, as an ordinary programmer , In fact, you also need to understand project management .

according to the investigation , Most programmers work for three or five years , Can master the necessary knowledge of their position , Experience and skills . However, many people will get into trouble next , Unable to break through the workplace bottleneck , Not to mention a raise or promotion .

So most people will choose the technical expert route , People with stronger abilities will be in this situation , Have more competitive advantages . If you are not confident in your basic knowledge , I suggest you study it systematically , In order to help everyone improve learning efficiency , I've arranged a set Java Advanced learning notes .
 

  Part I Java    

( one ). Basics

1. Java basic skill

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Java introduction ( Basic concepts and common sense )

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Java grammar

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Basic data type

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method ( function )

2. Java object-oriented

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Classes and objects

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Three characteristics of object oriented

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Modifier

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Interfaces and abstract classes

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Other important knowledge points

3. Java core technology

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aggregate

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abnormal

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Multithreading

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Documents and I\O flow

notes : With answers ! Limited space , Collated to network disk , Add assistant at the end of the text , Free access .

( two ). Concurrent

1. Concurrent container

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JDK Summary of concurrent containers provided

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ConcurrentHashMap

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CopyOnWriteArrayList

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ConcurrentLinkedQueue

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BlockingQueue

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ConcurrentSkipListMap

2. Thread pool

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Benefits of using thread pools

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Executor frame

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( important )ThreadPoolExecutor Class introduction

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( important )ThreadPoolExecutor Use example

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Detailed explanation of several common thread pools

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ScheduledThreadPoolExecutor Explain in detail

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Thread pool size determination

3. Optimistic lock and pessimistic lock

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What is pessimistic lock and optimistic lock

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Two common implementations of optimistic locks

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Disadvantages of optimistic lock

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CAS And synchronized Usage scenarios for

( three ). JVM

1. Java Memory area

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summary

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Runtime data area

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HotSpot Exploration of virtual machine objects

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Key supplementary contents

2. JVM garbage collection

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open JVM Mysterious veil of memory allocation and recycling

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The object is dead ?

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Garbage collection algorithm

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garbage collector

3. JDK Monitoring and troubleshooting tools

*
JDK Command line tools

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JDK Visual analysis tool

notes : With answers ! Limited space , Collated to network disk , Add assistant at the end of the text , Free access .

Interview guide

( one ). How to write a programmer's resume

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Why is a resume important ?

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Here are some things you must know

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Two rules that must be understood

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How to write the project experience ?

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How to write professional skills ?

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Notes for typesetting

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Other small tips

( two ). How to prepare for an interview

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How to obtain interview opportunities in large factories ?

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Preparation before interview

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Resume after the interview

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How to learn ? Is it necessary to learn various frameworks ?

( three ). Java Learning route and method recommendation

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Java Basics

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Operating system and computer network

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Data structure and algorithm

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Front end knowledge

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MySQL

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Common tools

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Common framework

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Simple use of multithreading

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Distributed

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In depth learning

*
Microservices

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summary

notes : With answers ! Limited space , Collated to network disk , Add assistant at the end of the text , Free access .

Technology
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