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Encapsulation operation example of HTTP tool class implemented in Java
This paper describes the encapsulation operation of HTTP tool class implemented by Java. Share with you for your refer…… -
Simple code example of closure in Java
1、 Definition of closure. Many different people have defined closures. Here are some. # is a function that references…… -
Detailed explanation of the function and usage of flush () function in Java language
Recently, when I was learning IO streams, I found that the flush () function appears every time. After checking its fu…… -
On sleuth service link tracking in spring cloud
This article focuses on the service tracking component Zipkin. Spring cloud sleuth integrates the Zipkin component. 1…… -
Configuration method of spring boot integrated Shiro
Spring boot provides a built-in authentication framework and a custom javaconfig configuration extension. Spring secur…… -
Java introspection instance parsing
The number of contours in the image. The size of the vector represents the number of points on the contour. Understand…… -
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…… -
JDK source code reading collection details
I've seen an exaggeration called "people who haven't read the JDK source code don't count on learning java". Start int…… -
Daemon thread instance in multithread termination in Java language
There are two types of threads in Java: user threads and guard (service) threads. Through thread Set setdaemon (false)…… -
Spring 3. Three bean configuration methods in X are explained in detail
In the past, the Java framework basically used XML as the configuration file, but now the Java framework supports "zer…… -
Solve the problem of error when Maven starts the spring project
First question The main reason is javax The servlet API treats the spring container as a servlet container at runtime,…… -
Introduction to JUnit 5
The famous Java unit testing framework JUnit 4 has been out for a long time. At that time, I found that JUnit 5 was in…… -
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 …… -
Spring assembling beans in IOC container
1. Spring configuration overview 1.1 overview The spring container reads bean configuration information from XML confi…… -
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…… -
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…… -
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…… -
Preliminary understanding of JavaFX
Introduction to JavaFX When we mention Java's graphical interface library, we usually hear swing or older AWT, includi…… -
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…… -
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…… -
Brief introduction to spring IO platform
The spring IO platform framework is simply a version number compatible system, which organizes compatible versions of …… -
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…… -
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…… -
Spring boot uses sharding JDBC configuration
This article introduces the configuration of spring boot using sharding JDBC and shares it with you as follows: explai…… -
JMS introduction and ActiveMQ actual code sharing
1、 Asynchronous communication RMI, Hessian and other technologies previously contacted are synchronous communication …… -
On class in Java
Class is the implementation of a specific class defined in the Java language. The definition of a class includes membe…… -
The method that allows JPA’s query interface to return map objects
In JPA 2.0, we can use entitymanager Createnativequery() to execute native SQL statements. However, when there is no c…… -
Java example of converting an integer into binary code
The method of converting an integer to binary: 1method 1: use BigInteger class: 2 method 2: use integer toBinaryString…… -
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…… -
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…… -
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…… -
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:……