Java
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Implementation of reference and dynamic proxy in Java
As we know, the difference between dynamic agent (JDK's dynamic agent here) and static agent is that its real agent cl…… -
Understanding of subclass overriding parent method in Java programming
The subclass re implements the method of the parent class; When rewriting, you can modify the access right modifier an…… -
Implementation of file download progress of retrofit + rxjava
preface Recently, I was learning about retrofit. Although retrofit does not provide a callback of file download progre…… -
Synchronization code example of Java Concurrent Programming
Synchronizers are objects that enable a thread to wait for another thread, allowing them to coordinate actions. The mo…… -
Implementation of priority queue function based on Java heap structure
This paper describes the implementation of priority queue function in Java based on heap structure. Share with you for…… -
Principle of multimode string matching algorithm and Java implementation code
Multimode string matching algorithm here refers to the problem of finding multiple pattern character strings in a stri…… -
Java Web realizes the function of automatically jumping to the landing page after the session expires [based on filter]
This article describes the Java Web Implementation of the function of automatically jumping to the landing page after …… -
Java implementation of cinema booking system code
The program is for the convenience of users, so the programming of graphical interface is the inevitable trend of the …… -
Implementation method of MD5 value unchanged after reading and writing java files
If we want to as like as two peas and a new file, we must read the file MD5 and write the new file StringBuffer value.…… -
Two methods of checking the connectivity of java server code sharing
First, you should understand the content of Ping. summary Ping (packet Internet groper), an internet packet explorer, …… -
23 design patterns (11) Java policy pattern
The 23 design patterns of learning videos have been prepared for everyone, and the need to reply to the "design mode" …… -
Using java to understand SQL syntax (example explanation)
Select is equivalent to a for loop When executing a subquery, it can be understood as Obviously, it's one to many here…… -
Code analysis of solving perfect number in Java language
1. Concept First, let's understand what is a perfect number? Problem Description: if a natural number, the sum of all …… -
An example of orderly reading and writing of properties files in Java code
Recently, there was a requirement to read the contents in the properties file for users to modify. After modification,…… -
Detailed explanation of cross domain problems and precautions in handling Ajax requests in spring MVC
preface Sometimes when the front and back ends do data interaction, they will encounter annoying cross domain request …… -
Deeply understand the working principle and use examples of ThreadLocal
Introduction: This article has a brief code example to introduce the basic usage of ThreadLocal class. On this basis, …… -
Detailed explanation of Java exception architecture
1、 What is an exception Exception: a program exception event caused by hardware equipment problems, software design e…… -
Super detailed spring boot introductory notes (summary)
1. Getting started with spring boot Spring boot is a relatively new project in the spring community. The purpose of th…… -
Simple QQ login interface and button color setting code of Java code block
This article mainly shares the relevant codes about the simple QQ login interface and button color setting for referen…… -
Spring boot configures scheduled tasks and @ scheduled annotations of scheduled tasks through @ scheduled
Serial timing task Configuration files need to be added for parallel scheduled tasks Because the purpose of spring boo…… -
Deeply understand the implementation principle of Java programming thread pool
In the previous article, we created a thread when using threads, which is very easy to implement, but there will be a …… -
Observer model of java learning notes
This article shares the observer pattern of Java design pattern for your reference. The specific contents are as follo…… -
Detailed explanation of spring cloud zuul retry mechanism
brief introduction The version of spring cloud in this article is (Dalston. Sr4). The details are as follows: Turn on …… -
Java programming NBA game interface call example code
Step 1: find the interface provided by others. For example, here I choose the interface provided by aggregate data Ste…… -
Efficiency comparison of four methods of Java array replication
There are many aspects about the basic knowledge of arrays, such as initialization, reference, traversal, one-dimensio…… -
Example code of treemap sorting in Java
1. Define the sorting method of treemap Use the comparator object as a parameter It should be noted that the sorting m…… -
Understanding dependency injection and control inversion in spring
Anyone who has studied the spring framework must have heard of the two concepts of IOC (inversion of control) and di (…… -
Detailed explanation of array copy (clone and array copy) code in Java
The copy of Java array is passed by reference, not the value of other languages. 1、clone protectedObjectclone() Throw…… -
Summary and explanation of display lock and built-in lock of Java multithreading
Summarize the display lock and built-in lock of multithreading Java has built-in locks implemented through synchronize…… -
Explain in detail how to transform an existing project into a spring boot project
Quickly create a springboot web project Take IntelliJ idea as an example: 1. First create a project, select spring ini…… -
Spring uses the configuration file and @ value to inject attribute value code
1 simple attribute value injection 2 inject complex attribute values using util tag summary The above is all about the…… -
Detailed explanation of Java programming post data request and receiving code
In the past two days, the HTTP server has made requests. After the client post data to the server, the server passes r……