Full record of dark horse travel website

1, Project import Click maven on the side (if not, you can find it in view - > tool window), click the plus sign, and select the pom.xml document in the file to import First preview the static page Start mode 1: Start mode 2: add a start mode and click the green triangle to start 2, Technology selection web: servlet: front end ...

Posted on Sun, 05 Dec 2021 00:12:40 -0500 by dhorn

Java Basics - basic syntax

Environment construction **Note: because the blue bridge cloud course comes with its own environment, there is no need to build it. You can skip it directly. This is the environment for building a local host.** ● version 8 is used for learning Download URL ○ www.oracle.com ○ java.sun.com ○ http://www.oracle.com/technetwork/java/javase/dow ...

Posted on Mon, 29 Nov 2021 15:55:41 -0500 by catalinus

JVM learning notes - memory structure

catalogue Overall architecture diagram Program Counter Register effect characteristic Java virtual machine stacks definition Problem Formulation Stack memory overflow Thread run diagnostics Native Method Stack definition Heap definition characteristic Heap memory overflow Heap memory diagnostics Method area definition Compo ...

Posted on Sun, 28 Nov 2021 01:25:08 -0500 by obrienkev

Getting started with Servlet components

Chapter 1 Why do we need servlets? What is a Servlet? Broadly speaking, Servlet specification is a set of technical standards formulated by Sun company, including a series of interfaces related to Web applications. It is a macro solution for the implementation of Web applications. The specific Servlet container is responsible for provid ...

Posted on Mon, 22 Nov 2021 10:54:37 -0500 by whatever

Spring AOP development in SSM / what is AOP in spring/ How did the underlying implementation of AOP get it/ How to write the underlying code of AOP in spring

Write before: Then record your Spring learning journey. If you don't understand it, it is recommended to read it first Previous blog posts , detailed codes can be found in My Gitee warehouse SSM learning Clone download learn to use! 1.9 AOP 1.9.1 AOP introduction 1.9.1.1 concept It is the acronym of Aspect Oriented Programming, that is, asp ...

Posted on Sun, 21 Nov 2021 05:35:17 -0500 by jwilliam

Cereal mall project (learning Note 6)

Chapter V: goods and services - platform attributes 1, Attribute grouping 1. Introduction of front end 1. Copy the code summary of the front end into VScode 2. Because the data encapsulated in the controller's @ RequestMapping("/list/tree") is date, you need to change the data.data of the front-end code to data.date 3. Descript ...

Posted on Sat, 20 Nov 2021 14:40:43 -0500 by sell-traffic

Reading notes on Java multithreaded programming core technology second edition

1, Summary This book is written in a very shallow way. It is more about cases. The ThreadLocal part is OK. The principle is basically covered The following knowledge points are roughly summarized 2, Content When to use multithreading? blockDependency. For example, the service is divided into two execution processes. When service A is block ...

Posted on Fri, 19 Nov 2021 15:58:49 -0500 by Sephiriz

JavaWeb: developing the first servlet program (JDBC) Tomcat under the integrated development environment of IntelliJ idea

JavaWeb: the first servlet program developed under IntelliJ idea integrated development environment Step 1: create a project New Project: first create an empty project (Empty Projcet) named javaweb. Step 2: create a new module File --> new --> Module... What is newly created here is a common Java se Module, which will be automatically ...

Posted on Mon, 08 Nov 2021 14:39:46 -0500 by pulkit123

RocketMQ theory learning and Practice

1, rocketmq action Flow peak shaving: delayed consumption Data collection: collection of log and other data Asynchronous decoupling: decoupling between systems 2, How rocketmq works Message production Routing table: in fact, it is a map, the key is the topic name, and the value is a QueueData list. Simply put, the key of the routing t ...

Posted on Mon, 08 Nov 2021 10:03:14 -0500 by raul_7

The use of methods and recursive exercises in JAVA

1. Basic usage of method 1.1 what is a method Method is a code fragment, similar to the "function" in C language. Significance of the method: It is a modular organization code (when the code scale is complex).The code can be reused, and a copy of the code can be used in multiple locations.Make the code easier to understan ...

Posted on Sat, 06 Nov 2021 16:36:35 -0400 by spamoom