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Java Multithreading for Senior Engineering Interviews

The only guide you’ll need on concurrency & multithreading for senior engineers. Pressure test your skills with real-world practice problems from top companies.

4.8

113 lessons

15h

Created by C. H. Afzal

Java Multithreading for Senior Engineering Interviews

What's included

113 lessons across 8 modules
23 quizzes with instant feedback
AI Tutor on every lesson

Join 3.1 million developers at

What You'll Learn

Identify differences among programs, processes, threads, concurrency, and parallelism in Java
Create and manage threads using Runnable, Thread, join, sleep, daemon threads, and interruption
Prevent race conditions using critical sections, synchronized, monitors, and wait/notify patterns
Diagnose and mitigate deadlocks, livelock, starvation using reentrant locks and safe locking patterns
Apply JMM concepts (volatile, happens-before, reordering) to reason about visibility and ordering
Build solutions to classic concurrency problems using semaphores, locks, barriers, and blocking queues
Configure executors and thread pools using ExecutorService and ThreadPoolExecutor parameters and policies

Learning Roadmap

113 Lessons23 Quizzes

The Basics

Introduction

Program vs Process vs Thread

Concurrency vs Parallelism

Cooperative Multitasking vs Preemptive Multitasking

Synchronous vs Asynchronous

I/O Bound vs CPU Bound

Throughput vs Latency

Critical Sections & Race Conditions

Deadlocks, Liveness & Reentrant Locks

Mutex vs Semaphore

Mutex vs Monitor

Java's Monitor & Hoare vs Mesa Monitors

Semaphore vs Monitor

Amdahl's Law

Moore's Law

Multithreading in Java

Atomic Assignments

Thready Safety & Synchronized

Wait & Notify

Interrupting Threads

Volatile

Reentrant Locks & Condition Variables

Java's Memory Model

3 Lessons

Interview Practice Problems

19 Lessons

Bonus Questions

5 Lessons

Beyond the Interview

Next Steps

Java Concurrency Reference

49 Lessons

Revision & Quizzes

8 Lessons

Certificate of Completion

Showcase your accomplishment by sharing your certificate of completion.

About this course

WHY I WROTE THIS COURSE

Concurrency in Java is one of the most complex and advanced topics brought up during senior engineering interviews. Knowledge of concurrency and multithreading can put interviewees at a considerable advantage. This course lays the foundations of advanced concurrency and multithreading and explains concepts such as Monitors and Deferred Callbacks in depth. It also builds simple and complete solutions to popular concurrency problems that can be asked about in interviews like the Reader-Writer Problem and the Dining Philosopher Problem. While prior knowledge of concurrency is not required to follow through with this course, familiarity with the very basics of concurrency would be helpful.

ABOUT THE AUTHOR

C. H. Afzal

A veteran of the Silicon Valley, I have been fortunate enough to work at some of the iconic companies of present times including Microsoft, Netflix, Cloudera, and Oracle. I have a keen interest in algorithms, product design, finance, and problem-solving.

Learn more about C.

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Frequently Asked Questions

How to prepare for a senior Java interview?

Senior Java positions require a detailed and clear understanding of concurrency. Knowledge of concurrency and multithreading, in addition to Java fundamentals, design patterns, system architectures, and JVM internals, can place interviewees at a considerable advantage.

Which method is best for multithreading in Java?

In Java, the best method for multithreading largely depends on the use case, but implementing the runnable interface is often considered a preferred alternative approach over extending the Thread class.

Is multithreading important for an interview?

Multithreading is a core concept often discussed in interviews for roles related to software engineering, systems programming, and performance-critical applications. A multitasking programming technique allows various threads to run simultaneously within a single program. If you are interviewing for a developer role, you will most likely be asked to explain multithreading and its importance in programming.