Java
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Configuration and simple usage of mybatis paging plug-in PageHelper (recommended)
preface When tables are involved in the process of web development, such as datatable, there will be paging requiremen…… -
Implementation of AOP process with Java core library
This article is about a difficult and complicated problem of Java. It implements a simple AOP method by using the Java…… -
Config. In mybatis Detailed parsing of XML configuration file
After the previous articles, I think the understanding of the main topic of mybatis is enough, but I think the use of …… -
Detailed explanation of spring boot external configuration (configuration centralization)
preface In order to configure flexibly in projects, we often use configuration files. Common configuration files, such…… -
Java programming realizes the complete code of depth first search and breadth first search based on graph
To understand the 15puzzle problem, we learned about depth first search and breadth first search. Let's talk about dep…… -
Java method to get the number of occurrences of a specified string
Get the number of occurrences of the specified string in another string in Java for your reference. The details are as…… -
Java dateutils tool class for time conversion
This example shares the dateutils tool class of time conversion for your reference. The specific contents are as follo…… -
How to use simpledateformat in Java
The content of this paper is mostly based on official documents and online experience summary, which is sorted and acc…… -
Java date time string and millisecond conversion method
The content of this paper is mostly based on official documents and online experience summary, which is sorted and acc…… -
Talking about Java BitSet usage scenarios and code examples
1、 What is BitSet? Note: the following contents are from JDK API: The BitSet class implements an on-demand bit vector…… -
Four step five minute spring4 rapid integration with swagger
If your company hasn't used swagger and hasn't even heard of swagger, quickly learn my blog. It's five minutes quick a…… -
Detailed JAVA memory leak sample code
When locating JVM performance problems, you may encounter memory leakage leading to JVM OUTOFMEMORY. When using Tomcat…… -
Detailed explanation of Java tool class dateutils instance
This example shares the specific code of Java tool class dateutils for your reference. The specific contents are as fo…… -
JDBC connection MySQL garbled exception handling summary
When learning JDBC some time ago, you should connect to MYSQL to obtain data. According to the teacher's sample data, …… -
Java programming undirected graph structure storage and DFS operation code explanation
Concept of graph The graph is an extension of the tree in the algorithm. The tree is a top-down data structure. All no…… -
Method for converting java time into UNIX time stamp
Java time conversion into UNIX timestamp specific code for your reference, the specific contents are as follows The ab…… -
Java Servlet3. 0 handles problems asynchronously
Through this article, we mainly explain servlet 3.0 in java development The problems encountered in asynchronous proce…… -
Top 200 pages of Baidu Java interview questions (middle)
Baidu's first 200 pages of "Java interview questions" Multithreading Basic concepts What are the advantages of multith…… -
Spring AOP getting started demo sharing
Before reading this article, you can first refer to the article "a brief understanding of IOC and AOP of spring and co…… -
Top 200 pages of Baidu Java interview questions (Part 2)
Baidu "Java interview questions" top 200 pages selection part 2 Design pattern What are design patterns? What design p…… -
Serialize Java objects into JSON and XML formatted instances
1. Define a Java object person first: 2. Use Alibaba's fastjson-1.2 13.jar（ http://maven.outofmemory.cn/com.alibaba/f…… -
Sample code for using HTTP requests in spring boot
Because of the project requirements, the two systems need to communicate. After some research, it is decided to use HT…… -
The whole process record of mobile phone short message verification code in Web project
preface Recently, I'm working on a remote intelligent water meter management system. One function of this process is t…… -
Top 200 pages of Baidu Java interview questions (Part 1)
Baidu "Java interview questions" top 200 pages selected part I Basic concepts What is the difference between heap and …… -
Share JavaScript code examples through Java compression
Compress JavaScript code by removing empty lines and comments -
Detailed explanation of Java custom implementation chain queue
1、 Write in front The queue in the data structure should be familiar, that is, first in first out. It is named queue …… -
Summary of the method of combining two arrays into one in Java implementation
This example describes the method of combining two arrays into one in Java. Share with you for your reference, as foll…… -
Execution order judgment of static code blocks and construction methods in Java
preface Static code takes precedence over non static code because members modified by static are class members and wil…… -
Java programming two tree menu structure conversion code
First look at the code examples of two tree menu structures. SingleTreeNode： This structure is suitable for storing i…… -
On using session to prevent repeated submission of forms
To solve the problem of repeated submission of forms in projects, the following situations may occur in ordinary proje…… -
Detailed explanation of Java date processing tool class dateutils
This example shares the specific code of Java date processing tool class dateutils for your reference. The specific co…… -
Java uses spring to realize the sample code of read-write separation
In the recently launched projects, the database data is approaching saturation, the largest table data is close to 300……