Describe different states of a thread.

   - NEW:The thread has been created but not started yet.

   - RUNNABLE:The thread is executing or ready to run.

   - BLOCKED:The thread is waiting for a monitor lock.

   - WAITING:The thread is waiting indefinitely for another thread's signal.

   - TIMED_WAITING:The thread is waiting for a specified amount of time.

   - TERMINATED:he thread has finished execution.