ConcurrentModificationExceptionConcurrentModificationException
A collection is modified while being iterated over.
IllegalThreadStateExceptionA thread operation is performed when the thread is not in an appropriate state.
For example, calling start() on a thread that has already been started. A thread can only be started once and cannot be restarted after termination.
Create a new Thread instance instead of restarting an existing one. Check the thread state before performing operations. Use ExecutorService for managing thread lifecycles.
ConcurrentModificationExceptionA collection is modified while being iterated over.
BrokenBarrierExceptionA CyclicBarrier is in a broken state when a thread tries to await.
SocketTimeoutExceptionA socket read or connection operation times out.
UnsupportedEncodingExceptionA character encoding is not supported by the JVM.
CloneNotSupportedExceptionThe clone() method is called on an object whose class does not implement Cloneable.
ArrayStoreExceptionAn object of the wrong type is stored in an array.