spring-boot-demo/core-beans/output/04-singleton-thread-safety.txt at main - spring-boot-demo - Gitea: Git with a cup of tea

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Claude 51f3ecd5da Add core-beans: bean scopes, the prototype-in-singleton trap, lifecycle callback order and graceful shutdown phases on Boot 4.1

Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01JoVmf2fWvcpoXndcDSwRf7

2026-09-24 04:59:41 +00:00

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 # Two threads call the same singleton; a latch forces the interleaving
 UnsafeGreeter (state in a field)   : alice's call returned "Hello, bob"
 SafeGreeter   (state in a local)   : alice's call returned "Hello, alice"