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📰 Dev.to · TheCodeForge

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EnumMap and EnumSet: The Java Collections Most Developers Never Use
Dev.to · TheCodeForge 🔧 Backend Engineering ⚡ AI Lesson 4mo ago
EnumMap and EnumSet: The Java Collections Most Developers Never Use
I spent years writing HashMap with enum keys without questioning it. Then I read the EnumMap source. This covers internals, a JMH benchmark you can run yourself
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