Java Multithreading 면접 질문과 답변
Ques 6. What is deadlock in multithreading?
Deadlock is a situation where two or more threads are blocked forever, waiting for each other to release the locks.
Example:
Thread 1 locks resource A and waits for resource B. Thread 2 locks resource B and waits for resource A.
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Ques 7. Explain the concept of thread safety.
Thread safety is a property that ensures that a block of code or a class can be safely executed by multiple threads concurrently without causing data corruption.
Example:
Using synchronized methods or blocks to control access to shared resources.
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Ques 8. What is the purpose of the yield() method?
The yield() method is used to make the currently executing thread voluntarily pause, allowing other threads to execute.
Example:
Thread.yield();
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Ques 9. What is the Thread Pool in Java?
A Thread Pool is a group of pre-initialized, reusable threads that are available to perform a set of tasks.
Example:
ExecutorService executor = Executors.newFixedThreadPool(5);
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Ques 10. Explain the concept of the wait-notify mechanism.
The wait-notify mechanism is used for inter-thread communication, where one thread can signal the other that a certain condition has been met.
Example:
Using wait(), notify(), and notifyAll() methods in synchronized blocks.
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