Java
-
Baidu cloud push graphic tutorial IOS
1. First apply for a Baidu developer account http://push.baidu.com/fc 2. Create a new application and apply the config…… -
JSP implicit object response realizes file download
I This paper briefly introduces the file download of JSP implicit object response (1) The simplest way to realize file…… -
Mybatis learning tutorial (V) – detailed explanation of the query method of association table
1、 One to one Association 1.1. Propose requirements Query class information according to class ID (with teacher infor…… -
In depth analysis of the use of JAVA memory area
JAVA memory partition: In JAVA memory allocation, Java divides memory into: method area, heap, virtual machine stack, …… -
Parsing XML using Dom4j in Java (sample code)
Although there are two standard parsing methods in Java, DOM and Sax But it is not easy to operate. For a beginner lik…… -
Java socket programming example (II) – basic use of UDP
I Server code: II Client code: The UDP server of the above code is a single thread and can only serve one client at a …… -
***
1、 What is reflection mechanism? In short, reflection mechanism refers to that a program can obtain its own informati…… -
Java implements the image upload function by simulating the post submission form
This article describes an example of Java submitting a form by simulating post to realize the function of image upload…… -
Inheritance and abstract class of interface in java basic tutorial
In implementing the interface, we use the interface syntax to separate the interface from the class definition and for…… -
-
Java functional programming (11): traversing directories
Lists the files in the directory Using the list () method of the file class, you can easily list the file names of all…… -
Java socket programming example (II) – basic use of UDP
I Server code: II Client code: The UDP server of the above code is a single thread and can only serve one client at a …… -
Recyclerview uses a variety of item loading layouts
This article introduces Jie Shi how to use recyclerview to load multi item layouts. Loading multi item layouts means t…… -
Java socket chat room programming (I) using socket to push chat messages
Related reading: java socket chat room programming (II) using socket to realize single chat chat room -
Detailed explanation of struts 2 file upload in Java
The first is the web page, upload_ file. jsp For the form of uploading files, the metho must be set to post, and the e…… -
Summary of implementation methods of generating random numbers in Java
Random numbers are often used in practical development. For example, in some systems, the user will be given a random …… -
Java realizes the function sharing of obtaining the date before and after n days
The code is very simple and the function is very practical. There is not much nonsense here. The above code is all the…… -
In depth explanation of Java garbage collection
1. The core idea of garbage collection algorithm java language establishes a garbage collection mechanism to track obj…… -
JSTL FMT (format format) tag usage arrangement commonly used in JSP
JSTL tag provides support for internationalization (I18N). It can display different languages according to different r…… -
Mybatis introductory learning tutorial (I) – mybatis quick start
Mybatis was originally an open source project ibatis of Apache. In 2010, the project was migrated from Apache Software…… -
Java programming implements the method of traversing all Macs between two MAC addresses
This example describes the method of traversing all Macs between two MAC addresses by Java programming. Share with you…… -
On memory leakage in Java programming
Must first understand 1. C / C + + is for programmers to manage their own memory, and JAVA memory is automatically rec…… -
A typical example of traversing an array using while statement autoincrement operation in Java
Output: Summary: Create an index variable index, which is used to specify the index of the array. As the index increas…… -
Method of Java date time operation
This example shares the basic operation methods of Java date and time for your reference. The specific contents are as…… -
JSP realizes calculator function (WEB version)
JSP implementation of the web calculator code is as follows: there are only two JSP pages Mycal The JSP is as follows:…… -
Case study of JSP custom tag
This paper introduces the case of JSP custom tag for your reference. The specific contents are as follows Case 1: impl…… -
In depth analysis of java web file upload and download function (2)
Follow the previous narrative: 2、 File upload and download Three board axe developed by struts 2, page JSP - configur…… -
Java implements the method of creating thumbnails and scaling image scale generation
This paper describes the method of creating thumbnail and scaling image scale in Java. Share with you for your referen…… -
Java implementation of imitation wechat red envelope allocation rules
Recently, sending red envelopes to celebrate the new year has become a new trend. As a program ape, he is much more cu…… -
Simply explain the multicast and broadcast implementation of java socket network programming
In Java, there are many ways to send and receive data. Some methods are close to the bottom, some problems need to be …… -
Deeply analyze the principle and application of java servlet filter
1. Servlet filter 1.1 what is a filter? A filter is a program that runs on the server before its associated servlet or……