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Facade Pattern

Facade pattern ek structural design pattern hai jo ek complex subsystem ke liye ek simplified,…

Overview
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Facade Pattern — Quick Facts

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Property: Detail

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Full Name: Facade Pattern (Facade Design…

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Category: Structural Design Pattern

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Origin: Gang of Four (GoF), 1994

Topic 1
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Kyun Zaroori Hai

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Client code tightly coupled hota…

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Complex initialization sequences…

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Ek subsystem change ho to sab…

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Code duplication — har client same…

Topic 2
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Real-World Analogies

💡 | Analogy | Facade | Subsystem | |---|---|---| | Hotel Reception | Reception desk |…
Topic 3
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Structure

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Client-facing class

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Simplified methods provide karta…

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Subsystem classes ko internally…

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Subsystem ka direct access block…

Topic 4
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How It Works

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Facade internally sab 5 services…

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Error handling facade me…

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Client ko individual services ki…

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When to Use

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Complex subsystem — bahut saari…

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Legacy system wrapping — purane…

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Third-party library — complex…

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Layered architecture — har layer…

Topic 6
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Facade vs Other Patterns

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Facade naya simple interface…

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Facade subsystem ki complexity…

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Facade client-to-subsystem…

Topic 7
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Real Software Examples

🌟 | Software | Facade | Subsystem Hidden | |---|---|---| | jQuery | $() function | DOM API,…
Topic 8
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Benefits

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Simplicity — complex subsystem ka…

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Loose coupling — client subsystem…

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Readability — client code clean…

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Maintainability — subsystem…

Topic 9
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Drawbacks

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God object risk — agar facade me…

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Over-simplification — kuch…

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Extra indirection — ek additional…

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False security — developers sirf…

Topic 10
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Architecture Diagram

💡 `mermaid flowchart TD Client[Client Code] --> Facade[OrderFacade] Facade -->…
Topic 11
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Best Practices

🎯 1. Facade thin rakho — facade me business logic mat dalo; sirf delegation + coordination…
Comparison
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Facade vs Other Patterns

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Facade: Complex subsystem ka simple…

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Adapter: Incompatible interfaces…

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Proxy: Access control + lazy loading

Diagram
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Visual Flow

📊 Diagram visualization — details in narration
Related Topics

See Also

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Design Pattern

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Adapter Pattern

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Proxy Pattern

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Mediator Pattern

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Decorator Pattern

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Structural Pattern

Quick Quiz
🧠 QUIZ TIME

Quiz — Question 1

Facade Pattern ka sabse sahi definition kya hai?

Quick Quiz
🧠 QUIZ TIME

Quiz — Question 2

Facade Pattern ka 'Full Name' kya hai?

Complete! 🎉
COMPLETE

Facade Pattern Complete!

Aliens Wiki · HIEN · Cinematic Knowledge

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Facade Pattern Complete

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Design Pattern

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