XML, JSON, and YAML are all popular formats for representing data, but they differ in their syntax, purpose, and use cases.
The key differences;
XML: Focuses on document markup and data structure. More verbose but offers strong validation with schemas.
JSON: Lightweight and designed for data interchange. Widely used in web applications.
YAML: Human-readable and suitable for configuration files. Emphasizes minimal syntax and flexibility.
If we compare them side by side;
| Feature | XML | JSON | YAML |
| Type | Markup Language | Data Format | Data Format |
| Structure | Tree-like with tags | Key-value pairs (objects) and arrays | Key-value pairs, lists, and scalars |
| Syntax | Uses tags and attributes | Uses braces {}, brackets [], and colons : | Uses indentation and colons : |
| Verbosity | More verbose due to closing tags | Less verbose than XML | Can be less verbose than JSON |
| Readability | Less readable due to tags | More readable than XML | Most readable due to minimal syntax |
| Comments | Supports comments | No support for comments | Supports comments |
| Schema Validation | XML Schema Definition (XSD) | JSON Schema | No standard schema validation |
| Data Types | String-based, requires parsing for other types | Supports various data types (string, number, boolean, null) | Similar to JSON, with some variations |
| Common Use Cases | Data exchange, web services, configuration files | Web APIs, data transfer, serialization | Configuration files, data serialization, DevOps |
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