Coder Army
LLD Interview Questions
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1.
24:46
Introduction To System Design
2.
54:01
OOPs Real-World Examples | OOPs Pillars | Abstraction | Encapsulation
3.
44:39
Inheritance & Polymorphism in OOPs
4.
1:12:10
What is UML Diagrams | Class & Sequence Diagrams with Real Examples
5.
1:07:32
SOLID Design Principles | Complete Guide with Code Examples
6.
1:17:11
SOLID Design Principles | part 2
7.
45:20
Build Google Docs | A Real-World LLD Project | Document Editor LLD |
8.
32:40
Strategy Design Pattern Explained with Real-World Example | Design Patterns in LLD
9.
32:10
Factory Design Pattern | Simple, Factory Method & Abstract Factory with Real-Life Examples
10.
32:35
Singleton Design Pattern | Thread-Safe, Lazy & Eager Initialization + Real Use Cases
11.
1:07:20
Build Zomato Food Delivery App | System Design
12.
28:31
Observer Design Pattern Explained | Real-Life Use Case + Code Example
13.
29:20
Decorator Pattern Explained | Real-world use case + Code | Design patterns in LLD
14.
42:27
Build Your Own Notification Engine | System Design
15.
29:55
Command Design Pattern | Real-world use case + Code | Design patterns in LLD
16.
21:53
Adapter Design Pattern | Real-world use case + Code | Design patterns in LLD
17.
18:53
Facade Design Pattern | Real-world use case + Code | Design patterns in LLD
18.
1:15:01
Build Spotify, Music Player App | System Design
19.
38:04
Composite Design Pattern | Build File System (UML & Code) | System Design
20.
20:22
Template Method Pattern | Step-by-Step Example (UML + Code)
21.
37:25
Proxy Design Pattern | Virtual Proxy | Protection Proxy | Remote Proxy
22.
29:50
Chain of Responsibility Pattern | Build Cash Dispenser(UML & Code) | System Design
23.
1:00:49
Build Payment Gateway System | System Design
24.
1:23:19
Build Discount Coupon Engine | System Design
25.
31:22
Bridge Pattern | Real-world use case + Code | System Design
26.
1:36:13
Build Zepto | 10-Mins Quick Commerce | Inventory Management | System Design
27.
1:21:59
Build Tinder | Dating Site | System Design
28.
1:49:04
Builder Design Pattern | Classic Builder | Step Builder | UML + Code | System Design
29.
40:09
Iterator Design Pattern | UML + Code | System Design
30.
55:24
Flyweight Design Pattern | UML + Code | System Design
31.
1:36:20
Build Splitwise Clone | Expense Splitting App | System Design
32.
1:14:45
State Design Pattern | Build Vending Machine (UML & Code) | System Design
33.
52:12
Build Tic Tac Toe Game | UML + Code | System Design
34.
1:08:21
Build Snake and Ladder Game | UML + Code | System Design
35.
48:05
Mediator Design Pattern | Build Chat Room | UML + Code | System Design
36.
31:31
Prototype Design Pattern | UML + Code | System Design
37.
1:53:15
Build Chess Game | UML + Code | System Design
38.
40:54
Visitor Design Pattern | UML + Code | System Design
39.
34:31
Memento Design Pattern | UML + Code | System Design
40.
25:48