CF

Low Level Design

22h 34m 32s
English
Paid

The course is dedicated to Low-Level Design (LLD) - a key stage in software development where abstract ideas and architectural decisions are transformed into detailed structures and algorithms.

The training is conducted in Java (due to its popularity and wide application in large projects), but all concepts are universal and applicable in any object-oriented language. The only requirement for participants is a confident understanding of OOP principles.

We will start with simple and illustrative analogies (such as designing a house) to understand the difference between High-Level Design (HLD) and Low-Level Design (LLD). The course will then immerse you in the practical aspects of LLD: developing classes, methods, interfaces, using data structures, designing algorithms, and applying key OOP principles.

As part of the course, you will learn to:

  1. turn requirements and high-level architecture into specific solutions;
  2. develop structures for classes, functions, and modules;
  3. use sequence and data flow diagrams;
  4. apply design patterns to create flexible and scalable systems;
  5. build detailed solutions with examples, including the development of authentication systems, notifications, and other application components.


The course will be especially useful for Senior developers, team leads, and technical managers who are responsible for the quality of architecture and system implementation.

As a result, you will gain a comprehensive understanding of the role of LLD in the development lifecycle and acquire practical skills to help design systems that are reliable, scalable, and free from excessive complexity.

About the Author: takeUforward (Striver)

takeUforward (Striver) thumbnail

takeUforward is the YouTube channel and paid-course brand of Raj Vikramaditya (Striver), an Indian software engineer (formerly at Google) and one of the largest independent algorithm / data-structure educators online. The channel's Striver A2Z DSA Course/Sheet is one of the most-used free DSA-prep references on the internet.

His CourseFlix listing carries three takeUforward courses: Computer Networks, DBMS (Database Management Systems), and Low Level Design. Together the courses cover the foundational CS topics that gate large tech-company interviews alongside the algorithm material the channel is best known for.

Material is paid and aimed at engineers preparing for technical interviews at large tech companies, particularly the Indian-tech and FAANG-tier interview circuit where the CS-fundamentals questions are common. For broader content, see CourseFlix's System Design & Architecture and Preparing for an interview category pages.

Watch Online 55 lessons

This is a demo lesson (10:00 remaining)

You can watch up to 10 minutes for free. Subscribe to unlock all 55 lessons in this course and access 10,000+ hours of premium content across all courses.

View Pricing
0:00
/
#1: 1.1 Introduction to Low Level Design (Introduction to LLD)
All Course Lessons (55)
#Lesson TitleDurationAccess
1
1.1 Introduction to Low Level Design (Introduction to LLD) Demo
21:14
2
1.2 Software Design Principles
22:36
3
2.1 Single Responsibility Principle (SRP) (Solid Principles)
15:43
4
2.2 Open Closed Principle (OCP)
16:30
5
2.3 Liskov Substitution Principle (LSP)
17:33
6
2.4 Interface Segregation Principle (ISP)
10:22
7
2.5 Dependency Inversion Principle (DIP)
14:13
8
3.1 Unified Modeling Language (UML)
10:06
9
3.2 Class UML diagrams
37:44
10
4.1 Introduction to Design Patterns (Creational Design Patterns)
09:59
11
4.2 Singleton Design Pattern
25:01
12
4.3 Factory Method
16:03
13
4.4 Builder Pattern
24:29
14
4.5 Abstract Factory
26:11
15
4.6 Prototype Pattern
20:07
16
5.1 Adapter Pattern (Structural Design Patterns)
16:27
17
5.2 Structural Design Patterns
26:19
18
5.3 Facade Pattern
17:10
19
5.4 Composite Pattern
20:40
20
5.5 Proxy Pattern
17:20
21
5.6 Bridge Pattern
18:09
22
5.7 Flyweight Pattern
19:17
23
6.1 Iterator Pattern (Behavioural Design Patterns)
24:48
24
6.2 Behavioural Design Patterns
17:31
25
6.3 Strategy Pattern
12:03
26
6.4 Command Pattern
28:12
27
6.5 Template Method
17:00
28
6.6 State Pattern
20:43
29
6.7 Chain of Responsibility
17:23
30
6.8 Visitor Pattern
22:49
31
6.9 Mediator Pattern
14:05
32
6.10 Memento Pattern
17:01
33
7.1 Multithreading and Concurrency (Multithreading and Concurrency)
39:29
34
7.2 Creating and Managing Threads
34:29
35
7.3 Thread Pools and Executors
31:39
36
7.4 Thread Safety and Synchronization
28:27
37
7.5 Deadlock and Prevention Techniques
25:40
38
7.6 Locks and Synchronization Mechanism
30:34
39
7.7 Producer Consumer Problem
16:44
40
8. Producer Consumer Problem
18:34
41
9.1 Exception Handling (LLD) (Exceptions and Error Handling)
23:15
42
9.2 Building Resilient Systems
19:23
43
10.1 Exceptions and Error Handling (Best practices in LLD)
55:18
44
10.2 Database Design and Integration
23:32
45
10.3 How to approach a LLD Interview
36:28
46
11.1 Parking Lot (Design) (Interview Problems (Part-1)
38:21
47
11.2 Parking Lot (Code)
28:43
48
11.3 Logging Framework (Design)
37:33
49
11.4 Logging Framework (Code)
22:17
50
11.5 Traffic Signal System (Design)
01:00:06
51
11.6 Traffic Signal System (Code)
23:52
52
11.7 Vending Machine Design
46:37
53
11.8 Vending Machine Code
26:30
54
11.9 Task Management System Design
50:36
55
11.10 Task Management System Code
21:37
Unlock unlimited learning

Get instant access to all 54 lessons in this course, plus thousands of other premium courses. One subscription, unlimited knowledge.

Learn more about subscription

Related courses

Frequently asked questions

What prerequisites should I have before enrolling in this course?
The only prerequisite for this course is a confident understanding of Object-Oriented Programming (OOP) principles. The course is conducted in Java, so familiarity with Java or any other object-oriented language will be beneficial, but not mandatory, as the principles taught are universal across OOP languages.
What types of projects or problems will I work on during the course?
Throughout the course, you will work on practical design problems such as designing and coding systems like a Parking Lot, Logging Framework, Traffic Signal System, and Vending Machine. These projects will help you apply low-level design principles and patterns, ensuring that you can transform abstract ideas into functional software designs.
Who is the target audience for this course?
This course is aimed at software developers and engineers who have a grasp of OOP principles and wish to delve deeper into the practical aspects of software design. It is particularly beneficial for those looking to improve their skills in transforming high-level designs into detailed low-level designs, especially using Java.
What specific design patterns will I learn in this course?
You will learn a variety of design patterns categorized into creational, structural, and behavioral patterns. Specific patterns covered include Singleton, Factory Method, Builder, Adapter, Facade, Composite, Strategy, Command, and many others, totaling over 20 recognized patterns.
How does this course compare in depth and scope to similar courses?
This course provides a comprehensive approach to low-level design by covering a wide range of topics, from solid principles and UML diagrams to multithreading and concurrency. It not only covers theoretical aspects but also emphasizes practical implementation through exercises and project work, making it suitable for those looking to gain practical design experience.
What is not covered in this course that I might need to learn elsewhere?
The course does not cover high-level design (HLD) in detail, focusing instead on low-level design aspects. While it provides an introduction to the difference between HLD and LLD, those seeking in-depth HLD knowledge might need to explore other resources. Additionally, while Java is used, the course does not cover basic Java programming.
How can the knowledge from this course be applied to my career or other courses?
The knowledge gained from this course can significantly enhance your ability to design robust software systems. Understanding low-level design principles and patterns is crucial for software development roles and can be a key differentiator in job interviews, particularly for roles that require strong design skills. Additionally, this knowledge can be a solid foundation for advanced software architecture courses or roles.