JDK: 1.8
HashMap Deadlock in Java Example https://www.journaldev.com/1058/deadlock-in-java-example Explain the timing causing HashMap.put() to execute an infinite loop https://stackoverflow.com/questions/13695832/explain-the-timing-causing-hashmap-put-to-execute-an-infinite-loop A Beautiful Race Condition https://mailinator.blogspot.com/2009/06/beautiful-race-condition.html
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