包含标签：Java 的文章
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Black heart businessman of Java ordering applet
A long time ago, a woman opened a hotel. Her name was sun erniang. Here's the order applet she asked someone to make. …… -
Spring + mybatis realizes AOP database read-write separation and multi database source configuration
At the database level, read-write separation technology is mostly used, that is, one master database and multiple slav…… -
Obtain the basic information of mobile phone based on Java code (local number, SDK version, system version, mobile phone model)
Old style, no more nonsense, just paste java code for everyone. The code is as follows: Don't forget permissions: The …… -
Detailed explanation of sorting examples of Java map
Detailed explanation of sorting examples of Java map To sort key value pairs in a map, you can use the sort method pro…… -
MD5 encryption Base64 conversion method based on Java language
This paper provides 16 bit and 32-bit encryption methods based on MD5. The specific contents are as follows The above …… -
Thread safety in Java singleton mode
Thread safety in Java singleton mode The access scope of the bean provided by the spring IOC container by default is t…… -
Sample code for sending HTML mail using spring mail
order This article shows you how to use spring mail to send HTML mail. maven Send pictures test Send instance abnormal…… -
Java to get the local sunrise and sunset time code sharing
Get the local sunrise and sunset time according to the longitude, latitude and current date. The powerful Google searc…… -
Examples of two common simple search algorithms implemented in Java [fast search and binary search]
This paper describes two common simple search algorithms implemented in Java. Share with you for your reference, as fo…… -
Analysis of spring circular dependency policy
Cyclic dependence The so-called circular dependency means that the dependency relationship between multiple beans form…… -
On the synthetic keyword in Java programming
Java synthetic keyword. Fields and methods marked with synthetic are used internally by class, and synthetic fields wi…… -
Large file upload instance using memory mapping in Java
When dealing with large files, if you use ordinary FileInputStream, fileoutputstream or RandomAccessFile to read and w…… -
Spring can dynamically modify the time parameters and manually start the shutdown operation
Spring implements timed tasks in three ways: the timer class of Java, spring task and quartz. This article only introd…… -
Java imitation 12306 picture verification code
Due to a new project, I intend to make a simple picture verification code. Let's talk about the idea first: on the ser…… -
Java random password is generated and matched with email and mobile phone number
No more nonsense. I'll post the Java code directly. The code has some comments and is not well written. Please take ca…… -
Explain the implementation and application of Java Dynamic agent in detail
Explain the implementation and application of Java Dynamic agent in detail In fact, Java dynamic proxy is not commonly…… -
An example of lock free programming of CAS instruction in Java language
The first contact with the relevant content should start with the volatile keyword. You know that it can ensure the vi…… -
A brief analysis of value transfer between JSP pages
This paper analyzes the problem of value transfer between JSP pages. Share with you for your reference, as follows: Th…… -
Httpclient basic analysis
This article describes the basic knowledge of httpclient and explains the related concepts. It is shared here for your…… -
The method of reading files and traversing directories by line in Java file operation
Read file by line Recursively traversing directories Traversing the directory above is a recursive method. Let's take …… -
Spring boot project construction tutorial and notes
Spring Boot Spring boot is a new framework provided by pivot team. It is designed to simplify the initial construction…… -
Using the Preparedstatement object in JSP to operate the database
The Preparedstatement interface inherits the statement and is different from it in two aspects: the Preparedstatement …… -
Explain the multi environment configuration of spring boot configuration file in detail
I Benefits of multi environment configuration: 1. Different parameters can be configured for different environment con…… -
Java console output distance between two points
Calculate the distance between two points and output it on the console. This problem is still very simple. Let's take …… -
Java virtual machine loading and initializing a class class code parsing
In Java application development, only the class type loaded by Java virtual machine can be used in the program. As lon…… -
Java format time example
To format the date, you need to use a class: Java text. DateFormat Dateformat has no constructor that can be used dire…… -
Java wechat development API step 2: get and reply to messages
How to get and reply to messages through wechat development API is introduced below 1、 Description * this example is …… -
On the difference between Java serialization and Hessian serialization
In the remote call, the parameters and return values need to be transmitted through the network. This use requires ser…… -
Java traversal properties file operation guide
In the process of Java project development, it is essential to use the properties file as the configuration. Many such…… -
Java LRU algorithm introduction and usage examples
This paper describes the introduction and usage of Java LRU algorithm. Share with you for your reference, as follows: …… -
Usage Summary of some JSTL core tags in JSP
I JSTL introduction JSTL (JavaServer Pages Standard Tag Library) is the standard specified by JCP (Java community proc…… -
Java programming interface callback general usage code analysis
Interface callback means that the reference of the object created by the class using an interface can be assigned to t……