Java Collection Framework in Hindi | Array vs Collection | Hierarchy | Autoboxing & Wrapper Classes
Автор: CodeHunt
Загружено: 2026-01-10
Просмотров: 44
📌 Topics Covered in This Video
✅ What is Collection Framework?
Definition of Collection in Java
Why Collection Framework was introduced
Problems with Arrays
✅ Why We Need Collection Framework
Dynamic size
Ready-made data structures
Performance & flexibility
Real-time use cases
✅ Array vs Collection (Very Important)
Fixed size vs Dynamic size
When to use Array vs Collection
✅ Collection Hierarchy (Core Concept)
Collection interface
List, Set, Queue
✅ Wrapper Classes in Java
What is Wrapper Class?
Why wrapper classes are needed in collections
Primitive vs Object types
✅ Autoboxing & Unboxing
What is Autoboxing?
What is Unboxing?
Real-time examples
✅ Manual Boxing & Unboxing
How to convert primitive → object
How to convert object → primitive
Interview-oriented examples
Complete Java Full Stack 2026-27 Playlist:
• 🔐CORE JAVA 2.0
👨💻 Who should watch this video?
Java Beginners
Students learning Core Java
Java Full Stack aspirants
Interview preparation candidates
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