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๐Ÿ“š Java Collections Framework โ€” Library aur Book Management System! ๐Ÿ›๏ธ๐Ÿ“š

โฌ…๏ธ Previous: Generics | ๐Ÿ  INDEX | โžก๏ธ Next: Iterators & For-Each

Overview
๐ŸŒŸ

๐Ÿ“š Java Collections Framework โ€” Library aur Book Management System! ๐Ÿ›๏ธ๐Ÿ“š โ€” Quick Facts

๐Ÿ“Œ

[๐Ÿ  INDEX](./00_INDEX.md): โžก๏ธ Next: Iterators & For-Each

Topic 1
๐Ÿ“ฅ ๐Ÿ“ฅ ๐Ÿง  ๐Ÿ”ฌ ๐Ÿ’ก ๐ŸŽฏ

๐Ÿ“š Real-World Analogy: Library aur Book Management System ๐Ÿ›๏ธ๐Ÿ“š

๐Ÿ“š Collections Framework ek Library hai โ€” books ko different sections me organize karo,โ€ฆ
Topic 2
๐Ÿ’ก ๐Ÿ“Š ๐Ÿ”ฌ

๐Ÿ“Œ 1. Collections Hierarchy โ€” Library ka Map ๐Ÿ—บ๏ธ

๐Ÿ’ก `mermaid graph TD A["๐Ÿ“ฆ Iterable"] --> B["๐Ÿ“š Collection"] B --> C["๐Ÿ“‹ List<br>Ordered +โ€ฆ
Topic 3
๐Ÿ”’

๐Ÿ“Œ 2. List โ€” Numbered Bookshelf ๐Ÿ“‹

๐ŸŽฏ `java import java.util.*; public class ListDemo { public static void main(String[] args)โ€ฆ
Topic 4
โœจ

๐Ÿ“Œ 3. Set โ€” Unique Card Catalog ๐ŸŽฏ

โญ `java import java.util.*; public class SetDemo { public static void main(String[] args) {โ€ฆ
Topic 5
๐Ÿ“ฅ ๐Ÿ“ฅ ๐Ÿง  ๐Ÿ”ฌ ๐Ÿ’ก ๐ŸŽฏ

๐Ÿ“Œ 4. Map โ€” Library Index Card ๐Ÿ—‚๏ธ

๐Ÿ”‘ `java import java.util.*; public class MapDemo { public static void main(String[] args) {โ€ฆ
Topic 6
โœจ ๐Ÿ“Š ๐Ÿ”ฌ

๐Ÿ“Œ 5. Queue & Deque โ€” Waiting Line ๐Ÿ“‹

โœจ `java import java.util.*; public class QueueDemo { public static void main(String[] args)โ€ฆ
Topic 7
โœจ

๐Ÿ“Œ 6. Comparison Table โ€” Sabka Comparison ๐Ÿ“Š

๐ŸŒŸ | Collection | Ordered | Duplicates | Null | Thread Safe |โ€ฆ
Topic 8
๐Ÿš€

๐Ÿ“Œ 7. Collections Utility Class โ€” Librarian Tools ๐Ÿ”ง

๐Ÿš€ `java import java.util.*; public class CollectionsUtility { public static voidโ€ฆ
Topic 9
๐Ÿ“š

๐Ÿ“Œ 8. Sahi Collection Choose Karo โ€” Decision Guide ๐ŸŽฏ

๐Ÿ“š `mermaid graph TD A["๐Ÿค” Kya chahiye?"] --> B{"Duplicates<br>allowed?"} B -->|"Yes"|โ€ฆ
Topic 10
โœจ

โŒ Common Mistakes (Galti Chart)

๐Ÿ’ก | # | Galat โŒ | Sahi โœ… | Kyun? | |---|---------|--------|-------| | 1 | List.of() meโ€ฆ
Topic 11
โœจ

๐Ÿงช Practice Exercises

๐Ÿ’ก

ArrayList<Student> with name, age,โ€ฆ

๐Ÿ”‘

Sort by name, sort by grade

โšก

Search by name (contains)

๐ŸŽฏ

Remove duplicates using Set

Topic 12
โญ

โœ… Summary Table

โญ | Topic | Key Point | |:-----:|:---------:| | List | Ordered, indexed, duplicates โœ… | |โ€ฆ
Comparison
โœจ

๐Ÿ“Œ 6. Comparison Table โ€” Sabka Comparison ๐Ÿ“Š

โš–๏ธ

:----------:: :-------:

โš–๏ธ

ArrayList: Index โœ…

โš–๏ธ

LinkedList: Index โœ…

Diagram
๐Ÿ“ฅ โš™๏ธ ๐Ÿ”ฌ ๐Ÿ’ก

Visual Flow

๐Ÿ“Š Diagram visualization โ€” details in narration
Diagram
๐Ÿ“ฅ โš™๏ธ ๐Ÿ”ฌ ๐Ÿ’ก

Visual Flow

๐Ÿ“Š Diagram visualization โ€” details in narration
Quick Quiz
๐Ÿง  QUIZ TIME

Quiz โ€” Question 1

๐Ÿ“š Java Collections Framework โ€” Library aur Book Management System! ๐Ÿ›๏ธ๐Ÿ“š ka sabse sahi definition kya hai?

Complete! ๐ŸŽ‰
COMPLETE

๐Ÿ“š Java Collections Framework โ€” Library aur Book Management System! ๐Ÿ›๏ธ๐Ÿ“š Complete!

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