Java
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Java uses Dom4j to manipulate XML sample code
Dom4j is a very excellent Java XML API, which has the characteristics of excellent performance, powerful function and …… -
Detailed explanation of the use of recyclerview instead of listview (I)
Recyclerview is a new widget in android-support-v7-21, and a cardview will be introduced next time. Official introduct…… -
Learn java date and calendar date operations
This article introduces date related operations during java development. The shared code is as follows: -
Use of S: select tag in struts 2 of JSP development
Use of S: select tag in struts 2 of JSP development 1. First example: 2. Second example: 3. Third example 4. Fourth ex…… -
Explain in detail the implementation of uploading files and client verification in Java’s struts framework
File upload The struts 2 framework provides built-in support for handling file uploads using HTML form based file uplo…… -
Java uses iterator to traverse the specified directory
You can traverse the specified directory (one or more) and all its sub files, which is implemented with iterator -
Java socket programming (IV) duplicate and concurrent servers
Duplicate and concurrent server this application is treated as a duplicate server Because it only accepts another conn…… -
Writing java code creates a memory overflow condition
This will be an evil article. When you want to make a tragedy in someone's life, you may Google it. In the Java world,…… -
Analysis of java socket byte stream transmission example
This article shares an example of java socket byte stream transmission for your reference. The specific contents are a…… -
Analysis of inheritance relationship design in Hibernate framework of Java
This time, let's talk about the hierarchical design of hibernate, which is the design of inheritance relationship betw…… -
An example of simple chat room based on java socket
This paper describes the method of realizing simple chat room based on socket in Java. Share with you for your referen…… -
Mybatis learning tutorial (VII) – Introduction to mybatis cache
1、 Introduction to mybatis cache Like most persistence layer frameworks, mybatis also provides L1 and L2 cache suppor…… -
Implementation of file transfer based on java socket
This paper describes the implementation method of java socket based file transfer. Share with you for your reference, …… -
Tutorial on installing and configuring mybatis in java + Spring + MySQL environment
1. Introduction and configuration of mybatis mybatis + Spring + MySQL 1.1mybatis introduction mybatis is a persistence…… -
Java implements a simple tcpsocket chat room function sharing
This example shares the relevant code of realizing the function of tcpsocket chat room in Java for your reference. The…… -
Simply understand the garbage collection mechanism of Java and the function of finalize method
When the garbage collector wants to recycle objects, it must first call the finalize method of this class (you can wri…… -
Resolving method overrides and overloads in Java inheritance
Method coverage In class inheritance, a subclass can modify the methods inherited from the parent class, that is, a su…… -
Explain the dateformat and simpledateformat classes for formatting dates in Java
DateFormat 1. Dateformat introduction the function of dateformat is to format and parse "date / time". In fact, it is …… -
Java method of displaying time in Chinese
This paper describes the method of displaying time in Chinese in Java. Share with you for your reference. The details …… -
Example of verifying mailbox and phone number with Java regular expression
The following code uses regular expressions to verify the input format, including verifying the mailbox and verifying …… -
How to format a timestamp string as a timestamp in a JSP page
datetag. TLD file: Reference in JSP page: Usage in JSP page: -
Analysis of the usage of rtexprvalue attribute in JSP custom tag
This article describes the JSP custom tag rtexprvalue attribute as an example. Share with you for your reference. The …… -
BigInteger of Java large number operation [original]
In Java, there are many digital processing classes, such as integer class. However, the integer class has certain limi…… -
Java traversal HashMap simple method
This article describes a simple method of Java traversing HashMap. Share with you for your reference. The specific imp…… -
Java implements a complete instance of timed tasks based on thread pool and reflection mechanism
This paper describes the method of implementing timed tasks based on thread pool and reflection mechanism in Java. Sha…… -
Java traverses and reads the entire redis database instance
Redis provides a flexible data query method. The best is that the key search supports regular expressions. jedis. keys…… -
Sample analysis of java web file upload and download function
In the development of web application system, file upload and download function is a very common function. Today, let'…… -
How does java download images from the server
This example shares the method of downloading pictures from Java server for your reference. The specific contents are …… -
Wechat development uses Java to obtain signature
1、 Foreword The three parameters noncestr, timestamp and signature required for wechat interface call verification: N…… -
Java uses interface, polymorphism, inheritance and class to calculate the perimeter and area of triangles and rectangles
This paper describes the method of calculating the perimeter and area of triangles and rectangles with java interface,…… -
IOS message remote push notification
This example shares IOS message push and IOS remote notification code for your reference. The specific contents are as…… -
Deep analysis of memory prototype and working principle in Java
This paper mainly explains its working principle in detail by analyzing the stack, heap and constant pool of JAVA memo……