xml method usage summary

This article mainly introduces four ways to operate xml in java and compares and analyzes them. Has very good reference value. Let’s take a look at it with the editor: 1) DOM (JAXP Crimson parser) DOM is the official W3C standard for representing XML documents in a platform- and language-independent way. DOM is a collection of nodes or pieces of information organized in a hierarchical structure. This hierarchy allows developers to search the tree for specific information. Analyzing this structure typically requires loading the entire document and constructing the hierarchy before any work can be done. Because it is based on information hierarchy, DOM is considered tree-based or object-based. DOM, and tree-based processing in general, has several advantages. First, because the tree is persistent in memory, it can be modified so that the application can make changes to the data and structures. It also allows navigation up and down the tree at any time, rather than a one-time process like SAX. DOM is also much simpler to use. 2) The advantages of SAXSAX processing are very similar to the advantages of streaming media. Analysis can start immediately instead of waiting for all data to be processed. Moreover, since the application only checks the data when reading it, it does not

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## Introduction: This article mainly introduces four ways of operating xml in java and compares and analyzes them. Has very good reference value. Let’s take a look with the editor below

2. How to use Jdom to read XML files

Introduction: When learning Spring, we often see many xml configuration files. Spring uses IOC (Inversion of Control) through configuration in the configuration file to achieve code flexibility. In this article, I will introduce to you a way to parse xml--Jdom

3. linq to xml method of operating XML

Introduction: LINQ to XML provides a more convenient way to read and write xml. In the comments of previous articles, friends always mentioned, why don’t you use linq to xml? Now it's time, linq to xml appears.

4. Use XMLBean to easily read and write XML

##Introduction: XML is becoming more and more important in Java applications and is widely used in data storage and exchange. For example, our common configuration files are all stored in XML. XML is also used in Java Message Service and Web Services and other technologies as data exchange. Therefore, correctly reading and writing XML documents is the basis of XML applications.

5. android pull parsing xml method

Introduction: pull parses xml files. Like sax and dom, it can be used independently of android. The principles of pull and sax are the same. The difference is that after the pull method reads the xml file, the call method returns a number,

6. How android sax parses xml

#Introduction: SAX is an xml parser that has fast parsing speed and takes up little memory. It is very suitable for mobile devices such as Android. SAX uses event-driven parsing of XML files, that is to say, it does not need to parse the entire document. In the process of parsing the document in content order, SAX will determine whether the characters currently read are legal or not in a certain part of the XML syntax. If it matches, the event will be triggered. The so-called events are actually some callback methods. These methods (events) are defined in the ContentHandler interface. The following are some commonly used methods of the ContentHandler interface:

7. Create xml in android dom mode

Introduction: In the article about how Android dom parses XML, the application of dom parsing XML is briefly introduced. Today, based on the original article, let’s talk about the application of dom to create xml in Android.

8. android dom parsing xml method

##Introduction: Defines a set of interfaces for the parsed version of an XML document. The parser reads in the entire document and builds a memory-resident tree structure that code can then manipulate using the DOM interface. Advantages: The entire document tree is in memory, easy to operate; supports multiple functions such as deletion, modification, and rearrangement; Disadvantages: Transferring the entire document into memory (including useless nodes) wastes time and space; Usage occasions: Once parsed Documents also need to access this data multiple times; hardware resources are sufficient (memory, CPU).

9. android dom parsing xml method

Introduction: First create an xml file yourself: DomTest.xml

10. android sax parsing xml method

Introduction: SAX is an xml parser that has fast parsing speed and takes up little memory. It is very suitable for mobile devices such as Android. SAX uses event-driven parsing of XML files, that is to say, it does not need to parse the entire document. In the process of parsing the document in content order, SAX will determine whether the characters currently read are legal or not in a certain part of the XML syntax. If it matches, the event will be triggered. The so-called events are actually some callback methods. These methods (events) are defined in the ContentHandler interface. The following are some commonly used methods of the ContentHandler interface:

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