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1, Basic concepts Session: a session contains multiple requests and responses One session: the browser sends a request to the server resource for the first time, and the session is established until one party disconnects (the browser or client is closed) Function: share data between multiple requests within a session Method: Clien ...

catalogue CollectionListSetgeneric paradigmMapCollections Collection Collection is the top-level interface of a singleton collection. It represents a set of objects, which are also called collection elements.JDK does not any direct implementation of this interface of the question bank, but provides more specific implementation of sub interfa ...

catalogue preface Code overview Code analysis summary preface It's good to write a small Minesweeper today, which is roughly the same as that used in Sanzi last time. It adopts the method of dividing documents. It's recommended to eat this one after the last one. Some of the contents repeated last time will be briefly mentioned. Today, ...

1. Mybaits plus project integration 1.1 explanation of modified cases /** * MP update operation * Note: change the name of id=354 to "six eared macaque" */ @Test public void updateUserById(){ User user = new User(354,"Six eared macaque",null,null); int rows = userMapper.updateById(user); ...

When we were young, we often wandered in class and played "tic tac toe chess" - also known as "Sanzi chess" with our deskmate. Do you want to relive the happiness of childhood on vs? Let's have a look!   catalogue Complete code Today I want to finish a small program that is more challenging than before - Sanzi. I bel ...

1, BackgroundThe Stream type is a new type after redis5. In this article, we use Spring boot data redis to consume the data in Redis Stream. Realize independent consumption and consumption group consumption.2, Integration steps1. Import jar package<dependencies> <dependency> <groupId>org.springframework.boot</groupId& ...

Note: the note is about the implementation of page replacement algorithm by fengsigaoju boss( (35 messages) java implements the page replacement algorithm (OPT,FIFO,LRU) _fengsigaoju's blog - CSDN blog _pagereplacement algorithm code java )Learning, invasion and deletion. I have been learning JAVA for one month. If there are any deficiencies, ...

Life cycle of bean sCircular DependencyLevel 3 Cachefactorybena and benafactoeyDifferences between appliaationcontext and beanfactoryioc container   bean - Data Structure - map - Level 3 Cache IOC container context.getBean() - When to call How to create a bean - factory, reflection - configuration file (xml) in a container Introduction t ...

Python basics (1) (1) Introduction to Python language 1. Overview of Python language python is a cross-platform, open source, free, interpretive computer programming language. 2. Python Language Features The grammar is simple, clear and easy to learn and master. python is a cross-platform, open source, free, interpretive advanced dyna ...

1. Java multithreading related concepts 1. Process It is the second execution of the program and the unique unit of the system for resource allocation and scheduling. Each process has its own memory space and system resources 2. Thread Multiple tasks can be executed in the same process. Each task can be regarded as one thread. Each p ...