Design Patterns ke baare mein yeh ek video kaafi hai. Animations ke saath, bilkul simple language mein — student ho ya working professional, sab ke liye. ✅
Har video "23 patterns" ka promise karta hai aur boring list de deta hai. Hum alag kar rahe hain — jo 9 patterns aap real Java work mein actually use karte ho, unko DEEPLY samjhenge. Baaki 14 ka quick overview taaki naam sunne pe pata ho.
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🎬 IS VIDEO MEIN KYA SEEKHOGE?
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✅ Design Patterns actually hote kya hain
✅ Teen categories: Creational, Structural, Behavioral
🔵 CREATIONAL PATTERNS
✅ Singleton — ek hi instance, thread safety ke saath
✅ Factory — object creation ko encapsulate karna
✅ Builder — complex objects readable tarike se banana
🟢 STRUCTURAL PATTERNS
✅ Adapter — incompatible interfaces ko jodna
✅ Decorator — runtime pe features add karna
✅ Facade — complex system ko simple banana
✅ Proxy — access control aur lazy loading
🟠 BEHAVIORAL PATTERNS
✅ Strategy — algorithms ko swap karna
✅ Observer — event notification system
✅ Baaki 14 patterns ka quick overview
✅ Patterns kab NAHI use karne chahiye (over-engineering se bachna)
✅ Complete decision guide — kaunsa pattern kab
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⏱️ CHAPTERS
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0:00 — Intro: Spaghetti Code Problem
0:31 — What is Design Pattern?
1:11 — 3 Categories of Design Pattern
1:36 — Singleton Pattern
2:35 — Factory Pattern
3:22 — Builder Pattern
4:22 — Adapter Pattern
5:02 — Decorator Pattern
5:52 — Facade Pattern
6:30 — Proxy Pattern
7:20 — Strategy Pattern
8:00 — Observer Pattern
8:54 — Baaki 14 Patterns — Quick Tour
9:14 — Patterns Kab NAHI Use Karein
9:34 — Quick Decision Guide
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📚 IS SERIES KE BAAKI VIDEOS
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▶️ JVM Explained: • JVM Explained With Animation | Java Virtua...
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