Interview byte, pass the exam and directly work on three sides. As a result, I found an architect to hang me?

Everyone has a big factory dream , For programmers ,BAT The first-line Internet company headed by him must be his favorite , After all, I can work in these big factories , It's not only high pay, it's good pay , And the ability and technology can be improved , The most important thing is to be able to gild yourself , It's admirable .

alike , The personal goal of a good friend of mine is also Ali , But I've been in a small company before , Stay for years , Now through continuous learning and practice , I've improved myself a lot , Also have confidence to byte challenge . below , It's some experience and experience shared by friends in this interview .

Byte architecture post interview experience

This interview experience friend said that he was really too nervous + stimulate + Embarrassed , I'm confident before the interview , After the interview, I was hanged to doubt my life . The whole process is four sided , The front two sides are smooth , It's arrogant , The last round of technical and HR Before he realized , What are bytes ?

Fortunately, the interview went well in the end , at present offer I've got it , I'm quite satisfied with my salary , Much better than your last job .

As for the specific background of the individual , I won't explain it one by one . Share the facial experience he brushed twice before the interview .

This GitHub Superscript star 120k Of 《Java Comprehensive analysis of core advanced knowledge 》, Whether it's used to consolidate the foundation , You can collect one for technical improvement , Read and learn thoroughly , Interview big factory so easy.

Here are some screenshots , Free download method is attached at the end of the article .

( One ). Basics

1、Java Basic skill

• Java introduction ( Basic concepts and common sense )
• Java grammar
• Basic data type
• Method ( function )

2、Java object-oriented

• Classes and objects
• Three characteristics of object orientation
• Modifier
• Interfaces and abstract classes
• Other important knowledge points

3、Java The core technology

• aggregate
• abnormal
• Multithreading
• File with the I\O flow

( Two ). Concurrent

1、 Concurrent container

• JDK Summary of concurrent containers provided
• ConcurrentHashMap
• CopyOnWriteArrayList
• ConcurrentLinkedQueue
• BlockingQueue
• ConcurrentSkipListMap

2、 Thread pool

• The benefits of using thread pools
• Executor frame
• ( important )ThreadPoolExecutor Class introduction
• ( important )ThreadPoolExecutor Examples of use
• Several common thread pools are explained in detail
• ScheduledThreadPoolExecutor Detailed explanation
• Thread pool size determination

3、 Optimistic lock and pessimistic lock

• What is pessimistic lock and optimistic lock
• There are two common ways to implement optimistic locks
• Disadvantages of optimistic lock
• CAS And synchronized The use of

( 3、 ... and ). JVM

1、Java Memory area

• summary
• Run time data area
• HotSpot Exploring virtual machine objects
• Key supplementary content

2、JVM Garbage collection

• uncover JVM The mystery of memory allocation and recovery
• The object has died ?
• Garbage collection algorithm
• Garbage collector

3、JDK Monitoring and troubleshooting tools

• JDK Command line tools
• JDK Visual analysis tools

（ Four ） The Internet 、linux、 Data structure and algorithm 、 database 、 The system design 、 Must know tool 、 Interview guide

Because the space is limited , Other contents will not be shown 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 .

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