包含标签:Java 的文章
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On guard thread and user thread in Java
Java threads are divided into two types: daemon threads and user threads (user thread), the main function will be call…… -
Fetch = fetchtype in hibernate Lazy lazy loading failure handling method
For this lazy loading problem, the final approach is to use a hibernate support class provided by spring. Its main mea…… -
Struts 2 realizes projection through ognl expression
Projection: as the saying goes, it is filtering, that is, the filter filters out the qualified ones struts. xml: OgnlA…… -
Java implementation of wechat applet login status maintenance example code
I believe many friends who like development already know what kind of wechat applet is. The landlord has been paying a…… -
Implementation method of eclipse automatic prompt and automatic completion function
Solve the automatic prompt problem of code: 1. Open eclipse - > window - > preferences 2. Find the content assis…… -
Explain in detail the difference between spring boot deployment jar and war
This article introduces the differences between spring boot deployment jar and war and shares them with you as follows…… -
Maven configuration in windows and project creation instance in IDE
Maven configuration under Windows 1. Maven download address: http://maven.apache.org/download.cgi , download the versi…… -
Solve the problem that spring MVC multi data source switching does not support transaction control
A project needs to use two databases, Oracle and MYSQL, so refer to various blogs to realize this function. After writ…… -
On Java fork / join parallel framework
Preliminary understanding of fork / join framework Fork / join framework is a parallel task framework added to java7. …… -
Example of inverse matrix algorithm implemented in Java
This paper describes the inverse matrix algorithm implemented in Java. Share with you for your reference, as follows: …… -
DES encryption and decryption tool class instance implemented in Java
This article describes the DES encryption and decryption tool class implemented in Java. Share with you for your refer…… -
Java implementation to construct infinite hierarchical tree menu
Here, let's talk about how the background Java constructs a multi tree, so that the foreground can receive data and re…… -
Detailed explanation of Java data overflow code
Java is a relatively safe language, so how does it handle data overflow? Look at a piece of code, The result of the ru…… -
Comparison of two object attributes based on Java
There are two ways to compare two objects: 1. Case 1: when you just judge whether two objects are equal, you just need…… -
Example of n * n matrix evaluation and inverse matrix algorithm implemented in Java
This paper describes the n * n matrix evaluation and inverse matrix algorithm implemented in Java. Share with you for …… -
Implementation method of spring boot after starting the project
preface We sometimes do other things (such as importing data scripts) after the web project is started. Let's talk abo…… -
An in-depth analysis of the advantages of HBase
HBase is a NoSQL database running on Hadoop. It is a distributed and scalable big data warehouse. In other words, HBas…… -
Explain in detail how to write and run spark applications in Java
We first put forward such a simple requirement: Now we need to analyze the access log information of a website and cou…… -
Explain the implementation mechanism of spring MVC dispatchservlet in detail
In spring, contextloaderlistener is just an auxiliary class. When the web container starts, it finds and creates a web…… -
Usage of mongodb in spring boot project
preface As we all know, MySQL database is easy to use, but the amount of data is more than ten million. It is very pai…… -
How to use transactionattributes in spring configuration
Recently, I encountered this problem. When using the jpatemplate provided by spring for query, if the amount of data e…… -
Thoughts on Java enterprise project development
What is enterprise project development "Enterprise level project", enterprise level project development, and Java is a…… -
Java is a simple instance of reading and outputting from a file
Input with scanner and output with printstream Function: from in Txt read in and output to out txt code: Same as below…… -
Struts 2 static resource mapping code example
In the struts 2 framework, there are some common static content that it needs, such as JS files and some CSS files. Wh…… -
Solve problems encountered in Java wrapper class comparison
preface This article mainly introduces the solutions to some problems encountered in the comparison of Java packaging …… -
Introduction to Hadoop components
Install HBase First download the latest stable version of HBase http://www.apache.org/dyn/closer.cgi/hbase/ file:///ho…… -
Typical case of java interface implementation
No more nonsense, go straight to the code The above typical case of java interface implementation is all the content s…… -
Detailed explanation of struts 2 using ognl to traverse map
I Code in action: mapaction java II Front end test page: testmap jsp Java code Attachment: the type of map is map <…… -
Detailed explanation of simple factory pattern of Java design pattern
Simple factory mode: a factory object determines which kind of instance to create. 1. Abstract class 2. Specific categ…… -
Analysis of exception handling mechanism in struts 2
Because an exception is thrown when the execute method of action is declared, we don't need to catch the exception in …… -
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……