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Discussion on "JAVA-00-Built-in Packages" | Hashnode

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Shreenibas Samal

Nov 5, 2025

JAVA-00-Built-in Packages

Below is a complete, structured explanation of the main built-in classes in Core Java, with what they do, where they belong, and simple examples 👇 🧩 1️⃣ java.lang — Fundamental Classes (Auto Imported) Contains classes that are automatically import...

shreenibas-java.hashnode.dev6 min read

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