What is a suggestion to use for a Java API / system System.currentTimeMillis () - two later requirements At the time of sleep, 1 MMS should be given two separate times - I currently have to sleep for 15 ms to get different time.
Do not try to use time to create unique values Recor A unique ID (key field I'm assuming) use the database to generate. Either use an auto incremental field or create a separate table with a single record of the counter, which you can lock and update safely.
When you can get a solution that works, the resources will eventually catch up with you.
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