Java Multithreading
1. What is multithreading in Java?
2. How do you create a thread in Java?
3. What is the difference between Thread and Runnable in Java?
4. What is the purpose of the start() method in Java threads?
5. How do you prevent thread interference and consistency issues in Java multithreading?
6. What is synchronization in Java, and why is it important in multithreading?
7. What are race conditions in multithreading, and how can they be avoided?
8. Explain the wait() and notify() methods in Java and their usage.
9. What is the difference between sleep() and wait() in Java multithreading?
10. What is a deadlock in Java multithreading, and how can it be resolved?
11. Explain the join() method in Java threads.
12. What is thread safety, and how can you achieve it in Java?
13. What is the purpose of the volatile keyword in Java?
14. What are daemon threads in Java, and how do they differ from user threads?
15. How do you interrupt a thread in Java, and what happens when a thread is interrupted?
16. What is a thread pool in Java, and why is it useful?
17. What is the Executor framework in Java, and how does it relate to multithreading?
18. What are the advantages of using ExecutorService over manually managing threads?
19. Explain the concepts of ThreadPoolExecutor and its core parameters.
20. What is a race condition, and how can it be prevented using synchronization in Java?
21. What is a mutex in the context of multithreading, and why is it important?
22. How can you avoid a deadlock situation in Java multithreading?
23. What is the difference between yield(), sleep(), and wait() in Java?
24. How do you implement producer-consumer problem using Java threads?
25. What is a condition variable, and how is it used in Java multithreading?
26. Explain the concept of thread-local variables in Java.
27. How can you set thread priorities in Java, and what is their significance?
28. What is the Java Memory Model (JMM), and how does it relate to multithreading?
29. What is the java.util.concurrent package, and what classes does it contain for multithreading? 30. What are the advantages of using ConcurrentHashMap over HashMap in a multithreaded environment?