01 InterviewLLD Playbook
Course contents
LLD Academy

Concurrency Curriculum

Use the left rail as the source of truth. Each item opens a dedicated lesson page.

Start course
Module 1

Core Concepts

10 lessons

The mental models every learner needs before writing concurrent code.

Process vs ThreadThread LifecycleContext SwitchingShared Mutable State+6 more
Module 2

Concurrency Patterns

8 lessons

Synchronization primitives and classical problems explained through motivating failures.

MutexSemaphoreCondition VariableMonitor+4 more
Module 3

Language Deep Dives

3 lessons

Choose Java, Go, or Python and map the same primitives to language idioms.

Java TrackGo TrackPython Track
Module 4

Distributed Concurrency

8 lessons

Move from one process to many machines and connect concurrency to HLD interviews.

Distributed LocksRedis SETNXZooKeeper LocksRaft And Paxos+4 more
Module 5

Coding Problems

8 lessons