Java
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Detailed explanation of preflight request and cross domain problems in spring security
Spring Security Spring security is a security framework that can provide a comprehensive security access control solut…… -
Java programming depth first traversal and connected component code example
Depth first traversal Depth first traversal is similar to a person walking a maze: As shown in the figure, select an e…… -
Java programming implementation of user based collaborative filtering recommendation algorithm code example
Collaborative filtering is simply to use the preferences of a group with similar interests and common experience to re…… -
The spring boot application realizes the process of building, running and publishing through docker
1. Docker introduction Docker is an open source application container engine, which allows developers to package their…… -
Example of ticket selling in Java multithreaded window
This paper introduces two ways to realize multi window ticket selling by multithreading, which are synchronized and lo…… -
Code example of dense graph represented by adjacency matrix in Java programming
We know that to represent nodes, we can use a one-dimensional array. However, for the relationship between nodes, we c…… -
Code example of Kruskal algorithm based on undirected weighted graph in Java language
The so-called weighted graph means that each edge in the graph will have a corresponding value or group of values. Usu…… -
Java image color scale adjustment and brightness adjustment code example
I don't know much about the content of java image processing, and my words are simple. Please forgive me. Java to achi…… -
Java serial communication implementation process example
1. Download the 64 bit rxtx for Java link: http://fizzed.com/oss/rxtx-for-java 2. Unzip the downloaded package and put…… -
Detailed explanation of generic instances in Java
I. Introduction: In Java se 1 5. Before that, in the absence of generics, the "arbitrary" of parameters was realized b…… -
App backend session information management instance imitating J2EE session mechanism
This article only provides ideas and does not provide specific and complete implementation (bloggers are too lazy to s…… -
Java implementation of scheduled tasks in Web Applications (example explanation)
Scheduled task is the function of specifying a future time range to execute a certain task. In current web application…… -
Java comes with an encryption class messagedigest class code example
Messagedigest class Messagedigest class provides the application with the function of information summarization algori…… -
Gossip – learn more about spring
WHY At the beginning of its birth, the main purpose of creating spring was to replace more heavyweight enterprise Java…… -
Java thread pool work queue saturation policy code example
Thread pool is a practical tool for collecting parallel execution tasks. With the introduction of multi-core architect…… -
Implementation of servlet graphic verification code function in Java Web Development
I. origin of verification code In Web project development, in order to prevent some people from using automatic tools …… -
Analysis of runtime data area of Java virtual machine
JVMmemorymodel This article mainly introduces the runtime data areas described in the JVM specification. These areas a…… -
Spring configuration file encryption method example
The spring configuration file is a "drawing" used to guide the spring factory in bean generation, dependency injection…… -
Java & JavaScript custom encrypted data transmission code example
In the process of developing applications, the client and server often need to transmit data. When important privacy i…… -
Use of break, continue and return in the for loop in Java
Introduction: when using a loop, it is often confused when there are break, continue and return in the loop. Today, I …… -
Introduction to JUnit unit testing
@H_ 403_ 2 @ What is unit testing Write a class to be used by others. Will there be a bug? What should I do? Test it. …… -
Rookies learn the singleton pattern of Java design pattern
We are not unfamiliar with the singleton mode, and we all know why it can be divided into lazy type and hungry type. B…… -
Java multithreaded atomic package operation atomic variables and atomic classes
Before reading this article, you can take a look at the introduction and usage of Java multithreaded atomic package to…… -
Principle and flow analysis of three handshakes and four waves in TCP / IP protocol
When I first learned the major of communication, after graduation, the students went their own way to pursue their dre…… -
Detailed explanation of Java JTree jcheckbox tree check box
This example shares Java JTree JCheck@R_958_2419 @The tree check box shows the specific code for your reference. The s…… -
Getting started with Java Web server using servlets
Baidu Encyclopedia says: Servlet (server applet) is the abbreviation of java servlet, which is called small service pr…… -
A summary of the polymorphism of the three features of Java
Three characteristics of object-oriented: encapsulation, inheritance and polymorphism. From a certain point of view, e…… -
Classic application example of Java using dateutils to perform mathematical operations on dates [download related package files of dateutils attached]
This article gives an example of how Java uses dateutils to perform mathematical operations on dates. Share with you f…… -
Hibernate environment construction and demo sharing
ORM concept ORM is object / relationship mapping. ORM is a specification that completes the mapping between object-ori…… -
SSM framework automatically generates code through mybatis generator (recommended)
1、 First, eclipse configures the Maven environment and creates an SSM framework project 2、 In POM Add plugin to XML …… -
Example of chessboard coverage problem based on Java divide and conquer algorithm
This paper describes the chessboard coverage problem implemented by Java based on divide and conquer algorithm. Share …… -
Romance for programmers – Java output dynamic flash iloveyou
The code test is available, and the running results are very hot. There is a sense of loss and non mainstream popular ……