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Java Multithreading

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The Basics

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

Multithreading in Java

Thready Safety & Synchronized Wait & Notify Interrupting Threads Volatile Reentrant Locks & Condition Variables Missed Signals Semaphore in Java Spurious Wakeups

Java Memory Model

Java Memory Model Reordering Effects The happens-before Relationship

Java Thread Basics

Setting-up Threads Basic Thread Handling Executor Framework Executor Implementations Thread Pools Types of Thread Pools An Example: Timer vs ScheduledThreadPool Callable Interface Future Interface CompletionService Interface ThreadLocal CountDownLatch CyclicBarrier Concurrent Collections

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Concurrency vs Parallelism

Concurrency vs Parallelism

This lesson clarifies the common misunderstandings and confusions around concurrency and parallelism.