Java
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Java implements transaction, bank transfer and goods in and out of the warehouse based on JDBC
This paper describes the implementation of transaction, bank transfer and goods in and out of the warehouse in Java ba…… -
On the process of integrating ActiveMQ with spring boot
Rabbitmq is a commonly used AMQP implementation. This article is a simple tutorial on integrating rabbitmq with spring…… -
Java implementation extracts non duplicate integer instances
Title Description Enter an int integer and return a new integer without duplicate numbers in the reading order from ri…… -
Java file renaming and moving operation example code
Renaming and moving files Sometimes, in order to uniformly access and manage files, you need to rename the files and m…… -
Detailed explanation of integrated configuration of spring web MVC and Hibernate
There are many articles about the integration of spring and hibernate on the Internet. However, because those articles…… -
Brief introduction to spring IO platform
The spring IO platform framework is simply a version number compatible system, which organizes compatible versions of …… -
Introduction to XPath in Java programming
1、 Use Dom4j to support XPath operations - an element can be directly obtained without layer by layer parsing How to …… -
On the method of spring boot rabbitmq dynamic management
When using spring boot + rabbitmq, you may want to temporarily disable / enable listening or modify the number of list…… -
Detailed summary of Java Network IO programming (bio, NiO and AIO all contain complete example codes)
This article will introduce the traditional bio to NiO and then to AIO from shallow to deep, and attach a complete cod…… -
Four common ways and usage analysis of traversing map collection in Java
This article describes four common ways and usages of traversing map collection in Java. Share with you for your refer…… -
Java generates a jar package and a single process running instance
Java file package jar run Effective steps: 1. CMD to the current directory (for example, the directory where the defau…… -
Preliminary understanding of JavaFX
Introduction to JavaFX When we mention Java's graphical interface library, we usually hear swing or older AWT, includi…… -
Servlet based execution principle and life cycle (comprehensive analysis)
1、 Let's start with the servlet container: the most familiar servlet container is Tomcat. How does the servlet contai…… -
Implementation method of log4j configuring log printing time zone
Og4j version: 2.8 one There is a problem when developing desktop programs. The log time in idea and the running log ti…… -
Analysis of Java deep replication function and usage examples
This article describes the function and usage of Java deep replication. Share with you for your reference, as follows:…… -
Java display directory file list and delete directory function
Taking the D: \ a directory as an example, assume that the structure in the D: \ a directory is as follows: 4.1 exampl…… -
Four ways to instantiate beans in spring
preface Before introducing the instantiation of beans, we first need to introduce what beans are and how beans are con…… -
Working principle and source code interpretation based on thread pool
With the increasing number of CPU cores, it is inevitable to use multithreading technology to make full use of its com…… -
On spring’s BOM for solving jar package dependency
Explanation of terms: Bill of materials: Bill of materials, which is a good method to solve jar package dependency. Sp…… -
Spring assembling beans in IOC container
1. Spring configuration overview 1.1 overview The spring container reads bean configuration information from XML confi…… -
Introduction to spring roo installation and use
For a long time, Java / spring development has been regarded as a cumbersome representative, unable to quickly generat…… -
Introduction to di and AOP in spring Basics
preface As a coder engaged in java development, the importance of spring is self-evident. You may be dealing with the …… -
Simple instance of spring IOC and scope attribute resolution of bean
IOC (inversion if control) - inversion of control is one of the two core technologies of spring. IOC is generally divi…… -
Example analysis of high cohesion and low coupling rule
Definition: an object should have the least understanding of other objects. The origin of the problem: the relationshi…… -
How to encapsulate request parameters in struts 2
As we all know, the action class of struts 2 can obtain all relevant values through attributes, such as request parame…… -
Detailed explanation of memory leak caused by substring method in Java
Out of memory: Generally speaking, there is not enough memory. For example, creating a large object in an infinite loo…… -
Java implementation of MySQL database operation based on JDBC
This paper describes the method of operating MySQL database based on JDBC in Java. Share with you for your reference, …… -
On the difference between spring singleton bean and singleton pattern
The difference between spring singleton bean and singleton pattern is that their associated environment is different. …… -
Java socket programming heartbeat package creation instance analysis
1. What is a heartbeat pack? Heartbeat packet is a self-defined command word that regularly notifies the other party o…… -
Java batch files are compressed, exported and downloaded to the local sample code
It mainly uses org apache. tools. zip. Zipoutputstream is a zip stream. Here, take EXECL as an example. Idea: first wr…… -
Java socket programming server response client instance code
The client information is read through the input stream, and the corresponding time is realized through the output str…… -
Detailed explanation of basic concepts of Java language annotation
1、RetentionPolicy. Source: the annotation is only kept in the source file. When the java file is compiled into a clas……