Can a thread re-enter a synchronized block or method that it already holds the lock for?
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java what is synchronized Informational
- What are the potential consequences of not having thread-safe code in concurrent Java applications?
- What are race conditions and how can `synchronized` prevent them? Can you provide a simple example demonstrating a race condition and how `synchronized` can fix it?
- How does the JMM guarantee visibility, ordering, and atomicity of operations in multithreaded Java programs? What are the different types of memory operations and how do they interact with the JMM?
- What are some examples of non-blocking algorithms and data structures in Java? How do atomic operations provided by the `java.util.concurrent.atomic` package leverage the JMM to ensure thread safety?
- How has the concept of thread safety evolved in different versions of Java? Are there any new language features or API enhancements in recent Java releases that aim to improve thread safety or simplify concurrent programming?
- What are Fork/Join framework in Java and how does it handle concurrency and synchronization? When is the Fork/Join framework a good choice for parallel tasks?
- How can you test the thread safety of code that uses synchronization? What are the performance implications of using different levels of synchronization (e.g., coarse-grained vs. fine-grained)?
- How can you balance the need for thread safety with the goal of maximizing performance and throughput in concurrent Java systems?
- How do you choose the appropriate synchronization mechanism for a given concurrency problem in Java? What are the trade-offs between using low-level synchronization primitives and higher-level concurrency utilities in Java?
- What is the core concept of synchronization in Java?
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