Structural

Composite

Composes objects into tree structures to represent part-whole hierarchies.

File systemsUI hierarchiesOrganization charts

Understanding Composite

The Composite pattern composes objects into tree structures to represent part-whole hierarchies. It lets clients treat individual objects and compositions of objects uniformly.

How It Works

📁 Root
📄 File1
📁 SubFolder
📄 File2
Leaf
Composite
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Leaf Nodes

Individual objects that perform actual work.

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Basic Implementation

File system with files and folders:

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Real-World Example: Organization Hierarchy

Employee hierarchy with salary calculations:

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