Java
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Case analysis of spring boot email sending function
Introduction to mail service Mail service has appeared in the early days of the Internet, and now it has become an ind…… -
Example of application packaging deployment implemented by spring boot
1. Spring boot built-in web Spring boot is integrated into the web container by default. The startup method is started…… -
POM in Maven XML detailed introduction
POM represents the engineering object model. It is the basic build when working with Maven and is an XML file. It is p…… -
Detailed introduction to spring batch tutorial (with source code)
Spring batch is an open source batch processing framework Perform a series of tasks In spring batch, a job consists of…… -
Panel switching in Java singleton mode
This example shares the specific code of panel switching in Java singleton mode for your reference. The specific conte…… -
On the best practice of spring batch in large enterprises
In large enterprises, not all operations can be processed through the interactive interface due to complex business, l…… -
Heap sorting code example of Java algorithm
Heap is a special complete binary tree, which is characterized by that all parent nodes are smaller than child nodes, …… -
Summary of the concept, principle and usage of java reflection mechanism
This paper describes the concept, principle and usage of java reflection mechanism with examples. Share with you for y…… -
When debugging in eclipse, you can’t view the variable value when hovering over the mouse. Solution
Problem Description: in debug mode, eclipse does not automatically display the corresponding value of a variable when …… -
Reasons for choosing an embedded container for spring boot projects
Spring boot is a new framework provided by pivot team. It is designed to simplify the initial construction and develop…… -
Summary of recursive algorithms in Java programming
1. What is recursion Personal understanding is to call yourself until a condition is met to end the process. This is r…… -
Solution to the dependency problem of creating project package by spring boot
Today, I tampered with the spring boot. According to the case on the official website, I found that there was a proble…… -
Java implementation of wechat public platform circle of friends sharing function detailed code
In fact, the sharing method is documented in detail on the wechat official website. Now we summarize some of the more …… -
Code example of using java timer
1. First of all, the timer must be started as soon as the container starts, so we can choose to write the timer in a l…… -
Java programming BigDecimal usage example sharing
Java provides operation classes with large numbers (more than 16 significant bits), that is, Java math. Bininteger cla…… -
Implementation code of spring boot integrated sorl search client
Apache Solr is a search engine. Spring boot provides basic configuration for Solr client library and the abstraction b…… -
How to obtain the method instance of timestamp in Java
preface Digital time stamp technology is a variant of digital signature technology. It refers to the total number of s…… -
Detailed explanation of automatic unpacking and automatic packing in Java programming
What is automatic packing and unpacking Automatic packing of basic data types（ auto@R_885_2419 @Unpacking（ un@R_885_…… -
Java based on jedislock redis distributed lock implementation example code
What is a distributed lock? The concept of stand-alone lock: it is easy to lock a normal stand-alone project (i.e. run…… -
Servlet3 file upload operation
In servlet2 In 5, when we want to realize the file upload function, we generally need to use third-party open-source c…… -
Java programming — consider polymorphism in testing
Object oriented programming has three characteristics: encapsulation, inheritance and polymorphism. Encapsulation hide…… -
JAVA Chinese word segmentation forward maximum matching method example code
preface Dictionary based forward maximum matching algorithm (longest word first matching). The algorithm will automati…… -
Detailed explanation of IOC and Di of spring
Here is a brief introduction to the difference between IOC and di: IOC: the translation is control inversion. Spring m…… -
Java implements the same DES encryption and decryption algorithm as JS
This article describes the Java implementation of the same DES encryption and decryption algorithm as JS. Share with y…… -
Detailed explanation of the differences between jsonobject and jsonarray in Java
In several recent projects developed by the company, the data transferred from the background action to the front end …… -
Usage of spring @ profile annotation
This article mainly introduces how to use @ profile in spring and under what circumstances. First, let's talk about wh…… -
Java improvement Part 10 in-depth analysis of ArrayList
In the previous chapter, we introduced the class diagram of the collection. In this section, we will learn the most co…… -
Java improves Part 8 dynamic agent technology
For dynamic agents, those who have learned AOP should not be unfamiliar, because agents are the core and key technolog…… -
Servlet 3 upload file uploading practice in Java Web
In the version before servlet 3.0, file upload is a headache. Although it is implemented by a third-party framework, i…… -
Visitor pattern usage scenario and code example of Java design pattern
Java design pattern visitor pattern Model concept Visitor mode represents an operation that acts on the elements in an…… -
How to create and run a java thread
To interpret a thread, you must understand what a process is. What is a process? A process refers to a running applica…… -
Java encryption and decryption rsa usage code example
Recently, in order to analyze a request flow, I had to study RSA encryption. First of all, emphasize that the "key" of……