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1. 简述简单来说：JDK 是开发 Java 程序所需的工具包，包含了 JRE，并且额外提供了开发工具和库。JRE 是 Java 的运行时环境，包含了JVM。JVM 是运行 Java 程序的虚拟机。2. 是什么JDK、JRE 和 JVM 是与 Java 相关的三个重要术语，它们在 Java 开发和执...

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