Java XML Best Guide and Complete Advantages Updated

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XML Extensible Markup Language is a very simple plain text language that can be used as a means of communication between different applications. It is considered a standard means of transporting and storing data. Java XML provides excellent support for analyzing, editing or querying documents and a complete set of libraries.

This tutorial will teach you the basic concepts of XML and the use of different types of XML parsers based on Java in a simple and intuitive way.

Java XML

XML Introduction

XML is a plain text language that was designed to store and transport data in plain text format. This means extensible markup language. XML tags explain what a statistic means, rather than display it. It puts a label on the piece of data that identifies it for example: <name>… </name>.

As in the data structure field names, any name can be used in XML tags that mean a given application. Used for multiple applications to use the same XML data, used names must be identical. The tags in this example collectively identify personal information, first name, last name, address and message. Each tag has a matching end tag: the </tag>. The data between the tag and its corresponding end tag defines the XML data element. This is the capability of a tag to include others, which gives XML the ability to represent a data structure.

Why XML?

The real purpose of HTML is to let the author of the document focus on the contents of the document and leave the original format of the document in the browser, out of control. Many HTML documents have more markup tags than content. Worse still, many markup tags are dealing with the contents e.g., <h1> instead of displaying the document e.g., <font>.

HTML has become a huge and complex language in its latest version with over a hundred markup tags. On the one hand, despite these many tags, specific applications such as e-commerce and math formulas are demanding more tags; on the other hand, many tags are not used frequently by multiple applications and can be eliminated. Is. Additionally, many HTML tags such as << font, <span>, <div> are for presentation instead of content.

Comparison of XML to Other Formats

Compared to binary or unstructured format, processing an XML document is relatively easy. This is due to the following features:

  • XML is plain text
  • Data shows how data is represented without explanation
  • Can be converted to other formats via XSL
  • XML can be easily processed through standard analytics
  • XML files are categorized

The XML format is relatively functional, meaning that if the data is presented as XML, the size of the data is relatively large compared to other formats. JSON or binary formats are often used on the Internet to convert XML if a data throughput is required.

Advantages of Java XML

The following are the benefits that XML provides.

Technology Agnostic – Being plain text, XML technology is independent. It can be used for data storage and data transfer purposes by any technology.

Human Readable – XML ​​uses a simple text format. It is human readable and understandable.

Expandable – In XML, custom tags can be created and used.

Allow authentication – XSD, DTD and XML structures can be easily authenticated.


The disadvantages of using XML are as follows.

Spelling Syntax – Files XML files usually contain a lot of repetitive words.

Verbose – Being a literal language, XML file size increases transmission and storage costs

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