Learn basic concepts, key features, and capabilities of YAML.

In this course, you will run through a comprehensive overview of the YAML data serialization language and its syntax. You will also cover the basic concepts behind this language, understand its main features, and the capabilities of YAML. 

You will kick things off by understanding what exactly YAML is. You will then move on to more concrete topics like syntax, data types, and more complex data types such as sequences, mappings, and pairs.

By the end of this course, you will have a great new skill that is transferable and highly applicable.

Tarun Telang

Tarun Telang is a passionate software engineer, blogger, author and active contributor in online technical forums like DZone and SAP Developer Community Network.

DevOps Expert

Introduction to YAML

YAML stands for Yet Another Markup Language. 


YAML stands for Yet Another Markup Language.

YAML uses indentation to represent document structure.

YAML uses indentation to represent document structure.


YAML can be integrated with modern programming languages. 

YAML can be integrated with modern programming languages.

YAML is a human-readable format to store unstructured data.

YAML is a human-readable format to store unstructured data.

YAML can be used to store configuration settings.

YAML can be used to store configuration settings.

YAML syntax allows unquoted strings like below:
```
text: Hello World
```

YAML syntax allows unquoted strings like below:
<pre><code>text: Hello World
</code></pre>

Usually we use _.yml_ or _.yaml_ file extension for YAML files.

Usually we use .yml or .yaml file extension for YAML files.

One of the design goals of YAML was to replace modern programming languages like Perl, Python, and Ruby.

One of the design goals of YAML was to replace modern programming languages like Perl, Python, and Ruby.

The words `null` and the `~` symbol in YAML have a special meaning. 

The words <code>null</code> and the <code>~</code> symbol in YAML have a special meaning.

Sequences and Mappings in YAML can be nested within each other.

Sequences and Mappings in YAML can be nested within each other.

Strings in YAML should always be enclosed in quotes

Strings in YAML should always be enclosed in quotes

In YAML, a mapping can be represented using the following syntax. 

In YAML, a mapping can be represented using the following syntax.

In YAML, any line beginning with `#` is considered a comment. 

In YAML, any line beginning with <code>#</code> is considered a comment.

In YAML, tags are used to explicitly specify data types

In YAML, tags are used to explicitly specify data types

Which of the following is not a valid tag in YAML?

Which of the following is not a valid tag in YAML?

Quiz Yourself on YAML

Quiz Yourself on YAML

Test your YAML skills by taking this quiz

YAML overview

Syntax of YAML

Applications of YAML

Course assessment

Quiz on YAML