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