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Java 8 should be regarded as the main version in the industry. A highly important update in the version is Stream stream processing. There are many contents about Stream processing. This article mainly talks about the use of Collectors tool class in Stream. Collectors are Java util. A tool class under the stream package, in which the return va ...

1, Create several sections. package com.tpw.newday.aspect; import cn.hutool.core.util.ObjectUtil; import cn.hutool.core.util.StrUtil; import cn.hutool.json.JSONUtil; import com.tpw.newday.annation.CacheProcesser; import com.tpw.newday.common.MyConstants; import com.tpw.newday.redis.RedisParam; import com.tpw.newday.redis.RedisService; import ...

Layout and binding expressions With the help of the expression language, you can write expressions to handle the events assigned by the view. The data binding library automatically generates the classes needed to bind the views in the layout to your data objects. The data binding layout file is slightly different, starting with the root ...

Create a protection agent using Java API (Head first design pattern) ​ ​ Java in Java Lang.reflect package has its own Proxy support. Using this package, we can dynamically create a Proxy class (Proxy) at runtime, implement one or more interfaces, and forward the call of the method to the class that implements the InvocationHandler interf ...

1, Object oriented face Object is an idea to solve problems, which mainly depends on the interaction between objects to complete a thing . Process oriented: when a function needs to be implemented, each specific step should be handled in detail Object oriented: when I need to implement a function, I don't care about the specific ...

Write in front Today, I found a very interesting little girl named "BugNotFoundException", which is very interesting. Bug s are an indispensable part of a programmer's life. They spend quite a long time with you, and even you have to lose your hair v_v Looking at the data, college students have done so many questions. How did I find ...

Multithreading application Multithreading 1. What is a thread? 1.1 basic concept of task scheduling1.2 basic relationship between process and thread1.3 basic relationship between multithreading and multi-core2. Why use multithreading? 2.1. Application of concurrent scenarios 2.1.1 I/O bound 2.1.1.1 application of ...

Article link: Three hundred lines per day (summary)_ minfanphd blog - CSDN blog day3 basic if statement 3.1 if conditional branch statement, The expression in if should be Boolean. There are three different options. (suppose there will be data processing in if) First, only if statements are used, which means that I only filter the data I wa ...

1, Jenkins+Docker+SpringCloud continuous integration process description General process description: Developers submit their code to the Gitlab code warehouse every day.Jenkins pulls the project source code from Gitlab, compiles it and makes it into a jar package, then builds it into a Docker image, and uploads the image to the privat ...

preface Environment deployment reference: Docker deploying Nacos-2.0.3 stand-alone environment Docker deploying Nacos-2.0.3 cluster environment Deploying Nacos-2.0.3 stand-alone environment for Linux Deploying Nacos-2.0.3 cluster environment for Linux 1. Overview Nacos is committed to the discovery, configuration and management of micro ...