Java
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Struts 2 implements the interception operation method of action request object
The core function of struts 2 is action. For developers, using struts 2 is mainly to write action. Action classes usua…… -
How to create a JDBC program in Java
Introduction to JDBC Before JDBC, we use drivers to establish connections between Java programs and databases such as …… -
Introduction to hashcode method in Java
The data structure of hash table must be familiar to most people, and hash table will be used in many places to improv…… -
Method of creating a server using spring boot embedded container undertow
Undertow is a web server, so it needs to have the basic characteristics of modern web server, such as servlet, JSP, fi…… -
Detailed explanation of Maven configuration dependency of spring boot
This paper introduces the Maven configuration dependency of spring boot and shares it with you as follows: We add spri…… -
The concept, classification and usage of container in java development are explained in detail
This paper describes the concept, classification and usage of container in java development. Share with you for your r…… -
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…… -
Correct posture using the optional mechanism in Java 8
preface The functional programming features brought by Java 8 still have some obstacles for programmers who are used t…… -
On the understanding and application of string in Java programming
1、 "= =" and equals () Run the following code, how to interpret its output? First S0 = = S1 During Java execution, a …… -
Detailed explanation of Java array Foundation
array Array: a collection of data of the same type. There are two methods for initializing Java arrays: Static initial…… -
Spring boot integrates elasticsearch to realize case analysis of full-text search engine
In short, ElasticSearch (ES) is a search engine and a distributed search engine for structured data. Elastic search is…… -
Improving Java Part 9 collection system
After passing the front JDK6 After learning the new features of JDK, we will further study JDK. Because of the importa…… -
Maven build lifecycle details
What is the build lifecycle A construction life cycle is a sequence of phases. Each of these construction life cycles …… -
Example of internationalization implementation of struts 2
I've always seen I18N before. Now I know that I18N is internationalization, because it starts with I and ends with N, …… -
Java date operation method tool class instance [including date comparison, size, addition and subtraction, judgment, verification, year acquisition, etc.]
This article describes the Java date operation method tool class with an example. Share with you for your reference, a…… -
The IOC simulation implementation of spring is introduced in detail
Simply put, when you need an object, you don't need to manually create a new one, but other containers will help you p…… -
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……