Chapter 8. Composite Pattern
The Composite pattern enables you to elegantly deal with recursive or hierarchical data structures. There are many examples of hierarchical data structures, making the Composite pattern very useful. A common example of such a data structure is one that you encounter every time you use a computer: the file system. The file system consists of directories and files. Every directory potentially has contents. The contents of a directory might be files, but they also might be directories. In this way, the file system of a ...
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