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Status: OperationalVersion: 4.2.0
Articles
LatestDSASystem DesignSpring Boot
All SeriesSeries
Engineering Library
Engineering Publication · Practical Deep Dives

Articles & Architecture

In-depth architecture analyses, low-level design patterns, and the engineering trade-offs behind production systems.

Design Tic-Tac-Toe
Featured SpotlightLow Level Design
6 min read4 months ago

Design Tic-Tac-Toe

Design a Tic-Tac-Toe game in Java with board state, players, moves, and win detection.

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0
Design a Vending Machine
Low Level DesignSeries
6 min read4 months ago

Design a Vending Machine

Model a vending machine in Java with inventory, money, selection, and state pattern.

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0
Design an Elevator System
Low Level Design

Showing 1-12 of 26 articles

123

Structured Engineering Tracks

Ready for deliberate hands-on practice?

Explore guided interactive courses featuring real-time architecture visualizers, dependency-aware roadmaps, and code sandboxes.

System Design TrackDSA Visualizer
Series
5 min read4 months ago

Design an Elevator System

Design elevators in Java with requests, scheduling, movement, and state transitions.

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0
Design a Parking Lot
Low Level DesignSeries
6 min read4 months ago

Design a Parking Lot

Model a parking lot in Java with floors, spots, tickets, vehicles, and pricing.

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0
Command Pattern
Low Level DesignSeries
5 min read4 months ago

Command Pattern

Represent Java actions as objects that can be queued, logged, retried, or undone.

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0
State Pattern
Low Level DesignSeries
5 min read4 months ago

State Pattern

Model Java object behavior that changes with internal state.

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0
Strategy Pattern
Low Level DesignSeries
5 min read4 months ago

Strategy Pattern

Swap Java algorithms at runtime without changing the caller.

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0
Observer Pattern
Low Level DesignSeries
5 min read4 months ago

Observer Pattern

Notify Java subscribers automatically when an object changes state.

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0
Proxy Pattern
Low Level DesignSeries
5 min read4 months ago

Proxy Pattern

Control access to a Java object through a substitute with the same interface.

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0
Facade Pattern
Low Level DesignSeries
5 min read4 months ago

Facade Pattern

Expose a simple Java API over a complex subsystem.

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0
Decorator Pattern
Low Level DesignSeries
5 min read4 months ago

Decorator Pattern

Add behavior around a Java object without changing its class.

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0
Adapter Pattern
Low Level DesignSeries
5 min read4 months ago

Adapter Pattern

Wrap incompatible APIs behind the interface your Java code expects.

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0