XML — Introduction
What is XML?
XML stands for eXtensible Markup Language. It's a markup language designed to store and transport data.
<person>
<name>John Doe</name>
<age>30</age>
<email>john@example.com</email>
</person>
History of XML
- Developed by W3C in 1998
- Based on SGML (Standard Generalized Markup Language)
- Version 1.0 is still current
- Designed to be self-describing
Key Features
- Self-describing syntax
- Unicode support
- Platform independent
- Supports namespaces
- Can be validated
XML Use Cases
| Use Case | Example |
|---|---|
| Configuration | Maven pom.xml, AndroidManifest |
| Data exchange | Web services, APIs |
| Documents | DocBook, DITA |
| Graphics | SVG |
| Web feeds | RSS, Atom |
| Markup | XHTML |
XML Declaration
<?xml version="1.0" encoding="UTF-8"?>
Mini Practice
- Write a basic XML document
- Add a declaration
- Create nested elements
- Compare with HTML
Up Next
Continue with Syntax — XML syntax rules.
Related Topics
Frequently Asked Questions about Introduction
What is Introduction in XML?
Introduction is a fundamental concept in XML. This lesson explains it step by step with clear examples, making it easy for beginners to understand.
How do I learn Introduction?
Start by reading the explanation above, then try the code examples. Practice by modifying the examples and experimenting with different values. Hands-on practice is the best way to learn Introduction.
Why is Introduction important in XML?
Introduction is essential for XML development. Understanding this concept will help you write better code and solve real-world problems more effectively.