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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.

Beginner

113 Lessons

15h

Certificate of Completion

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

AI-POWERED

Mock Interview

Explanations

AI-POWERED

Mock Interview

Explanations

This course includes

177 Playgrounds

23 Quizzes

Course Overview

Course Content

Recommendations

Course Overview

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 ...Show More

Concurrency in Java is one of the most complex and advanced topics brought up during senior engineering interviews. Knowledge of...Show More

Course Content

1.

The Basics

15 Lessons

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

2.

Multithreading in Java

13 Lessons

Atomic Assignments

Thready Safety & Synchronized

Interrupting Threads

Reentrant Locks & Condition Variables

Semaphore in Java

Spurious Wakeups

More on Atomics

Non-blocking Synchronization

Miscellaneous Topics

3.

Java's Memory Model

3 Lessons

Reordering Effects

The happens-before Relationship and Model

4.

Interview Practice Problems

19 Lessons

Blocking Queue | Bounded Buffer | Consumer Producer

Rate Limiting Using Token Bucket Filter

Thread Safe Deferred Callback

Implementing Semaphore

Unisex Bathroom Problem

Implementing a Barrier

Uber Ride Problem

Dining Philosophers

Superman Problem

Multithreaded Merge Sort

Asynchronous to Synchronous Problem

Nonblocking Stack

5.

Bonus Questions

5 Lessons

Ordered Printing

Printing Foo Bar n Times

Printing Number Series (Zero, Even, Odd)

Build a Molecule

Fizz Buzz Problem

6.

Beyond the Interview

1 Lessons

7.

Java Concurrency Reference

49 Lessons

Setting-up Threads

Basic Thread Handling

Executor Framework

Executor Implementations

Types of Thread Pools

An Example: Timer vs ScheduledThreadPool

ThreadPoolExecutor

Callable Interface

Future Interface

CompletionService Interface

ThreadLocalRandom

Concurrent Collections

ConcurrentHashMap

ConcurrentModificationException

AtomicIntegerArray

AtomicIntegerFieldUpdater

AtomicLongArray

AtomicLongFieldUpdater

LongAccumulator

DoubleAccumulator

AtomicReference

AtomicReferenceArray

AtomicReferenceFieldUpdater

AtomicStampedReference

AtomicMarkableReference

IllegalMonitorStateException

TimeoutException

CancellationException

ExecutionException

RejectedExecutionException

CompletionException

BrokenBarrierException

8.

Revision & Quizzes

8 Lessons

Course Author

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Free Resources

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.

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