包含标签:Java 的文章
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Java export JSON format file sample code
This article introduces the sample code of Java exporting JSON format files and shares it with you. The details are as…… -
Simple use of zookeeper in Java
1、 Fundamentals of zookeeper The data model is as follows: The structure of zookeeper data model is very similar to U…… -
Realization of positive film lamination effect in java image processing tutorial
preface This article mainly introduces the method of how to realize the positive film stacking effect by using Java, a…… -
Detailed explanation of HBase and hive data synchronization
Hive's table data can be synchronized to impala. Generally, impala provides real-time query operations, such as time-c…… -
Mybatis batch modification operation code
1. The modified field values are the same, but the IDs are different Collection: if it represents a type, it is writte…… -
Java design pattern – proxy pattern (example explanation)
Proxy pattern is one of the most common design patterns in Java. Spring's AOP uses the proxy mode. Generally speaking,…… -
Java non blocking I / O usage
Most of the knowledge and examples come from O'Reilly's Java network programming, Fourth Edition, by elliotte rusty Ha…… -
Spring boot method for reading static resource files
1、 Demand scenario Sometimes we need to use some static resource files in the project, such as the city information f…… -
An example of how Java uses regular expressions to get sub text
This article illustrates how Java uses regular expressions to get sub text. Share with you for your reference, as foll…… -
SSM framework construction graphic tutorial (recommended)
I've been thinking about building an SSM framework for a long time. It's convenient for me to use it in the future. Ho…… -
Struts 2 method of realizing permission control through custom tags
Recently, I encountered a demand in development: whether to display an operation button according to the user's permis…… -
Java implements a tool class instance that translates digital dates into English words
This example describes the Java implementation of the tool class to translate digital dates into English words. Share …… -
In mybatis analysis
When using mybatis, our SQL is written in the XML Mapping file. If there are some special characters in the written SQ…… -
Solution to the problem that struts and servlet cannot coexist
In a project, if we use both struts 2 and servlet, we may not be able to access the servlet normally when the project …… -
Java takes methods as parameters — instances of polymorphism
When studying the intelligent algorithm in the previous paragraph, I found that if it is implemented in Java, the spec…… -
Introduction to struts 2 intercepting string code
During development, we often encounter the problem that the string is too long and needs to be intercepted and display…… -
Spring and mybatis integration profile
Recently, because the project requires the integration of Spring + mybatis architecture for project development, the r…… -
Installation of java9 learning series and use of jshell
preface With the update of the standard Java version, developers can always get the desired functions from the upgrade…… -
Java example of reading web page content
Java example of reading web page content The above code program reads the source code of a web page, including HTML an…… -
Java9 Learning Series how to run java9 in docker
Preface @ h_ 419_ 5@ This article will give you a detailed introduction to how to run java9 in docker, and share it fo…… -
Struts 2 dynamic result set code example
The dynamic result set can specify the page to jump to in the action (${} is an ojnl expression, not an EL expression)…… -
Java polymorphism definition and usage examples
This article describes the definition and usage of Java polymorphism with examples. Share with you for your reference,…… -
Spring boot custom 404 error message method example
preface This article will give you a brief introduction to how to personalize 404 error information in springboot and …… -
Method of converting excel table into JSON by Java
Today, a friend of mine asked me if there was any way to use Excel and JSON everywhere. I found several tools on the I…… -
On the recommended deployment of spring boot microservice project
If you have developed a spring boot program, you should know that the official Maven packaging plug-in of spring boot …… -
Detailed explanation of proxy pattern and decoration pattern examples of Java design pattern
This paper describes the proxy pattern and decoration pattern of Java design pattern. Share with you for your referenc…… -
Implementation of multi condition query of mongodb with Java
Requirement: in the mongdb client, we can easily implement multi condition query, so how to implement it when using ja…… -
Analysis and solution of faults caused by the same bean ID in spring
preface Recently, a colleague's bean configuration problem caused the production environment to write a large amount o…… -
Deep understanding of Java annotations and examples
Java annotation What is annotation? Annotations in Java are the metadata of Java source code, that is, annotations ar…… -
Explain in detail the role of servlet configuration load on startup
In servlet configuration, < load on startup > 1 < / load on startup > means to mark whether the container …… -
Detailed examples of Java custom exception classes
Detailed examples of Java custom exception classes Why write your own exception class? If there is no exception provid…… -
General steps of sending email in Java (example explanation)
General steps of sending email in Java 1、 Import the jar package of JavaMail: 2、 Create a test class to write the ma……