#Pool design pdf how to#
#Pool design pdf code#

The fourth part пјљ Distributed пј€ Current limiting пјљZK+Nginx cache пјљRedis+MongoDB+Memcached Communications пјљMQ+kafkaпј‰.

The third part пјљ performance tuning пј€JVM+MySQL+Tomcatпј‰.

The second part пјљ Open source framework пј€SSMпјљSpring+SpringMVC+MyBatisпј‰.

The first part пјљJava Basics - intermediate - senior.

I'd like to share with you the interview materials I collated to review the benchmarking factory

Distributed session Storage solutions.

tryгЂЃcatchгЂЃfinally There are return Which statement to execute.

Static variables гЂЃ Instance variables гЂЃ Is local variable thread safe, Why?.

String and StringBuilderгЂЃStringBuffer The difference between.

The difference between overloading and rewriting.

int and Integer Automatic unpacking of / Packing related issues.

The difference between interface and abstract class.

Mybatis in DAO Layer interface does not write implementation class ,Mapper Methods and methods in DAO How interface methods are bound together, How is it realized internally.

Mybatis Of mapper In file resultType and resultMap The difference between.

Mybatis Of mapper In file # and $ The difference between.

introduce Mybatis/Hibernate Cache mechanism.

Spring Transaction isolation level and propagation.

#Pool design pdf how to#

Spring Single case or multiple cases, How to modify.What is? IOC, What is dependency injection.Spring MVC and Struts2 The difference between.Hibernate and Mybatis The difference between.

When should I пј€ No, it shouldn't be пј‰ Index building.

Mysql The data structure of the index.

Is there any SQL Optimization experience.

ДҐпј‰ Database related issues, in the light of Mysqlпј€ Must ask пј‰пјљ

Then specifically ask you about the specific implementation of a design pattern and related extension issues.

First ask what design patterns you are familiar with.

Can you write a class name by yourself .Д¤пј‰ Design pattern related issues пј€ Must ask пј‰пјљ.

What are the algorithms for garbage collection, Their characteristics.

Introduce the garbage collection mechanism пј€ when, What to, What did you do пј‰.

Distributed environment, How to ensure thread safety.

ThreadPoolExecutor How it works inside.

Create thread pool 4 Ways of planting.

volatile The function and principle of keywords.

synchronizedгЂЃLockгЂЃReentrantLockгЂЃReadWriteLock.

wait Methods and sleep Differences in methods.

Runnable Interface and Callable Interface differences.

Дўпј‰ Multi thread concurrency related issues пј€ Must ask пј‰пјљ

ConcurrentHashMap How to realize thread safety.

HashMap and LinkedHashMap The difference between.

HashMap and ConcurrentHashMap The difference between.

ArrayListгЂЃLinkedListгЂЃVector The difference between.

HashMap and Hashtable The difference between.

HashMapгЂЃLinkedHashMapгЂЃConcurrentHashMapгЂЃArrayListгЂЃLinkedList The underlying implementation of.

Frequently asked knowledge points in interview пјџ

What do you want to ask the interviewerДЈ.

Situation issues, for example пјљ When one of your features comes into production, Server pressure surge, How to check.

Just imagine пјљ If the average interviewer writes a bubble order, And you're writing a quick sort / Heap sort, I'm sure it will make a good impression on the interviewer. I suggest sorting algorithm except bubble sorting, It's better to write another sort code.

#Pool design pdf code#

Handwritten code пјљ A general test of handwritten code гЂЃ Sort гЂЃ Threads гЂЃ Consumer producers.Write SQLпјљ Write SQL It's very often to examine group byгЂЃ Internal and external connections.The common interview questions are basically linked to.