If I hadn't been abandoned by my girlfriend , I guess I'm not awake yet . College Students ,18 In, he entered a software company in Hunan through school recruitment , shoot 3 More than years CRUD, in the beginning of this year , I feel like I can't go on like this , Staying in a comfortable environment for a long time will make a person degenerate ! And I've worked in an enterprise 3 Year CRUD, Has made me less enterprising , Yes 2 My girlfriend broke up with me because of my mentality and salary . therefore , I decided to change the status quo , Look at this year's gold, silver and four !
At the beginning of preparation , I've been blindfolded , Three years CRUD Let my technology not a trace of progress , Only my age has been promoted ...
no way out , I found my brother in Tencent , As his little old watch , After he learned about me （ Almost Java Foundation start ）, Just throw me a network disk , Speaking of ：“ Go ahead , Here's everything you need , Don't come to me , I'm ashamed !”.
This Java Comprehensive analysis of intermediate and advanced core knowledge , Mainly include Java Basics ,Java container ,Java Concurrent ,Java Virtual machines and Java
IO. It also comes with a network ,linux, Data structure and algorithm , database , system design , Must know tool , Interview guide, etc , Very comprehensive .
This is free sharing ! Some screenshots are shown below , Click the business card at the end of the text , You can get it for free by scanning the code !
( one ). Basics
1,Java basic skill
* Java introduction ( Basic concepts and common sense )
* Java grammar
* Basic data type
* method ( function )
* Classes and objects
* Three characteristics of object-oriented
* Interfaces and abstract classes
* Other important knowledge points
3,Java core technology
* Documents and I\O flow
( two ). Concurrent
1, Concurrent container
* JDK Summary of concurrent containers provided
2, Thread pool
* Benefits of using thread pools
* Executor frame
* ( important )ThreadPoolExecutor Class introduction
* ( important )ThreadPoolExecutor Use example
* Detailed explanation of several common thread pools
* ScheduledThreadPoolExecutor Explain in detail
* Thread pool size determination
3, Optimistic lock and pessimistic lock
* What is pessimistic lock and optimistic lock
* Two common implementations of optimistic locks
* Disadvantages of optimistic lock
* CAS And synchronized Usage scenarios for
( three ). JVM
1,Java Memory area
* Runtime data area
* HotSpot Exploration of virtual machine objects
* Key supplementary contents
2,JVM garbage collection
* open JVM Mysterious veil of memory allocation and recycling
* The object is dead ?
* Garbage collection algorithm
* garbage collector
3,JDK Monitoring and troubleshooting tools
* JDK Command line tools
* JDK Visual analysis tool
（ four ） network ,linux, Data structure and algorithm , database , system design , Must know tool , Interview guide
Because the space is limited , Other contents will not be displayed one by one , This advanced note has a total of 512 page . It should be very helpful for small partners who want to advance , I hope it can help you, too .
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