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Concurrency & Multithreading Mastery

Master concurrency for coding interviews. Threading, synchronization, classic problems, concurrent data structures, and Python concurrency patterns.

7 modules 36 lessons ~9h AI voice coach

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Course Outline

Concurrency Fundamentals

5 lessons

Understand the core concepts of concurrency: threads, processes, coroutines, and the dangers of shared state.

Introduction to Concurrency

Processes vs Threads vs Coroutines

Thread Lifecycle & States

Race Conditions & Critical Sections

Deadlock, Livelock & Starvation

Synchronization Primitives

5 lessons

Master the building blocks of thread safety: mutexes, semaphores, monitors, read-write locks, and atomic operations.

Mutex & Locks

Semaphores

Monitors & Condition Variables

Read-Write Locks

Atomic Operations & CAS

Classic Concurrency Problems

5 lessons

Solve the legendary concurrency problems: Producer-Consumer, Readers-Writers, Dining Philosophers, Sleeping Barber, and Cigarette Smokers.

Producer-Consumer Problem

Readers-Writers Problem

Dining Philosophers Problem

Sleeping Barber Problem

Cigarette Smokers Problem

Concurrent Data Structures

5 lessons

Build thread-safe data structures from scratch: queues, hash maps, blocking queues, lock-free stacks, and thread pools.

Thread-Safe Queue

Concurrent Hash Map

Blocking Queue Implementation

Lock-Free Stack

Thread Pool Implementation

Python Concurrency In Depth

5 lessons

Master Python's concurrency toolkit: the GIL, threading, multiprocessing, asyncio, and concurrent.futures.

Python's GIL Explained

Threading Module

Multiprocessing Module

asyncio & Event Loops

concurrent.futures

Real-World Concurrency Patterns

5 lessons

Apply concurrency to real systems: web servers, connection pools, rate limiters, map-reduce, and pub-sub.

Web Server Request Handling

Database Connection Pooling

Rate Limiter with Threading

Parallel Map-Reduce

Pub-Sub with Threads

Concurrency Interview Problems

6 lessons

Solve the most common concurrency problems from coding interviews: ordering, synchronization barriers, and thread-safe data structures.

Print in Order

Print FooBar Alternately

Building H2O

Traffic Light Controller

Thread-Safe Bounded Blocking Queue

Web Crawler Multithreaded