Detailed explanation of factory mode of design mode
Classification of patterns
The creation pattern provides a mechanism for creating objects, which can improve flexibility and the importance of existing code
The structure pattern explains that objects and classes assemble a larger structure while maintaining the flexibility and efficiency of the structure
The behavior model is responsibl ...
Posted by gardnc on Tue, 17 May 2022 14:26:51 +0300
SpringBoot foundation and partial integration (to be improved)
SpringBoot
What is micro service
What is the difference between microservices and the past
Why is SpringBoot suitable for microservice framework
Lack of SpringBoot or microservice
springBoot startup process
How to automatically assemble and customize the configuration of springBoot
First, there are a few notes
@Configuration: declar ...
Posted by dkjariwala on Tue, 17 May 2022 13:38:37 +0300
How to get Docker images to take off, so simple to set up
I. Introduction
Docker is great to use, especially when it comes to DevOps practices. However, when you pull mirrors in China or locally, you often encounter various "constipation" - either the mirror pull is slow, or the connection is intermittent, or the connection times out!
When our images are large (like someone dropped a Warcr ...
Posted by genom on Tue, 17 May 2022 13:01:00 +0300
An algorithm for continuously outputting interview questions -- assignment sorting
Opening introduction
Hello everyone, I'm sister tights from the most complete interview question bank in Java. Today's article is the fifth on data structures and algorithms, which mainly introduces assignment sorting; In the follow-up, we will continue to summarize along the knowledge line at the beginning of the first article, so as to achiev ...
Posted by Johannes80 on Tue, 17 May 2022 11:28:08 +0300
Introduction to Stream in Java 8
catalogue
What is Stream
How to create a Stream
Operate on Stream
Advanced
Sequential flow
Inert intermediate operation
Execution sequence of operations
summary
What is Stream
To answer this question, let's take a look at how the relevant JavaDoc describes:
A sequence of elements supporting sequential and parallel aggregate oper ...
Posted by shergold on Tue, 17 May 2022 11:09:16 +0300
IDEA uses maven to build SSM framework integration project (super detailed, worth a visit)
catalogue
reminder
Briefly introduce SSM
Construction process
1, Frame introduction
2, Download Maven
3, Create Maven project
4, Jar package to be introduced for Maven project
5, Integrate SSM framework, relevant required configuration files and configuration items
6, Importing Jar package and configuring tomcat project
7, Reverse engineeri ...
Posted by Eugene on Tue, 17 May 2022 08:33:50 +0300
Detailed explanation of red and black trees
Red black tree
The concept of red black tree
Red black tree
, is a kind of
Binary search tree
, but
Add a storage bit on each node to represent the color of the node, which can be
Red
or
Black
. By limiting the coloring method of each node on any path from root to leaf, the red black tree ensures that no path will be two longer ...
Posted by Easter Bunny on Tue, 17 May 2022 02:24:17 +0300
Java: network programming
Network programming
What is network programming?
Network programming allows programs to interact with programs in other devices on the network.
Basic mode of network communication
There are two common communication modes: client server (CS) and Browser/Server(BS)
Three elements of network communication
Three elements overview, element 1: ...
Posted by rex9990 on Tue, 17 May 2022 01:52:38 +0300
SpringBoot integrated task Scheduler
SpringBoot integrated task Scheduler
Basic steps
Step 1: introduce pom dependency
<!--Support task scheduling-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-quartz</artifactId>
</dependency>
Step 2: enable Task Scheduling Supp ...
Posted by denzlite on Tue, 17 May 2022 01:24:21 +0300
[Set framework] List, Set and Map
1, Basic points
1. A collection is similar to an array, but the number of elements in the collection can change dynamically Note: a collection can only store user-defined data types, not basic data types
2. Sets are divided into three categories
List: the stored data can be repeated and in orderSet: the stored data is non repeatable and unor ...
Posted by my800stuff on Tue, 17 May 2022 01:13:38 +0300