Java Concurrency

Java Threads

Introduction

• Concurrency vs. Parallelism

• Processes and Threads

Thread Management

• Creating and Starting Java Threads

• Pausing a Thread

• Joining a Thread

• Interrupting a Thread

• Java Virtual Threads

Thread Safety

• Race Conditions and Critical Sections

• Thread Safety and Shared Resources

• Thread Safety and Immutability

Java Memory Model

• Java Memory Model

• Java Happens Before Guarantee

• Java Synchronized Blocks

• Java Volatile Keyword

• CPU Cache Coherence in Java Concurrency

• False Sharing in Java

Thread Locality

• Java ThreadLocal

Thread Communication

• Thread Signaling

Deadlock and Synchronization

• Deadlock

• Deadlock Prevention

• Starvation and Fairness

• Nested Monitor Lockout

• Slipped Conditions

Locks and Synchronization

• Locks in Java

• Read / Write Locks in Java

• Reentrance Lockout

• Semaphores

Concurrency Utilities

• Blocking Queues

• The Producer Consumer Pattern

• Thread Pools

• Thread Congestion in Java

• Compare and Swap

• Anatomy of a Synchronizer

• Non-blocking Algorithms

Performance optimization

• Amdahl's Law

Executor Framework

• Introduction

• Thread Pools

• Executors

• Callables and Futures

• Asynchronous Programming

• Completable Futures