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AI-generated Key Takeaways
IllegalMonitorStateException is a runtime exception indicating a thread tried to wait or notify on an object's monitor without owning it.
It's thrown when a thread uses wait, notify, or notifyAll methods without proper synchronization.
The exception can be constructed with or without a detailed message.
It inherits methods from RuntimeException and Throwable for handling and inspecting the exception.
public class
IllegalMonitorStateException
extends RuntimeException
Thrown to indicate that a thread has attempted to wait on an
object's monitor or to notify other threads waiting on an object's
monitor without owning the specified monitor.
Returns an array containing all of the exceptions that were
suppressed, typically by the try-with-resources
statement, in order to deliver this exception.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-07-10 UTC."],[],["`IllegalMonitorStateException` occurs when a thread attempts to wait on or notify other threads about an object's monitor without owning it. This exception can be constructed with or without a specific detail message. Key actions related to this include: waiting on a monitor using `wait()`, and notifying threads via `notify()` or `notifyAll()`. The class also inherits methods for managing exceptions, stack traces, and basic object operations, such as `getMessage()`, `printStackTrace()`, `toString()` and `getClass()`.\n"]]