java - Are the threads generated by 2 separate executor services in different threads guaranteed to be different? -


lets have 2 different threads running concurrently. each thread spins cached thread pool executor service spins bunch more threads. each pool have own distinct set of threads? or there possibility threads shared between them?

will each pool have own distinct set of threads? or there possibility threads shared between them?

each pool has control on own threads -- when create new ones, when destroy them etc. no 2 threadpools ever "see" 1 another's threads.

in other words: there no "giant pool" @ jvm level executorservices, or scheduledexecutorservices or forkjoinpools pick from. case, maintenance cost prohibitive...


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