The answer
Trees are used in database indexing (B-trees), file systems, autocomplete features (Tries), and representing the HTML DOM in browsers.
Real-World Applications of Data Structures and Algorithms
How are trees used in software development?
More FAQs in Real-World Applications of Data Structures and Algorithms
Graphs are used in social networks (friend recommendations), GPS navigation systems (shortest paths), and network routing protocols.
Hash Maps are used for fast data retrieval, powering things like caching systems (Redis), database indexing, and symbol tables in compilers.
Stacks power Undo/Redo functionalities, browser history, and function call execution in programming languages (the call stack).
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