Java应用程序与小程序（Applet）在运行环境、功能、安全性及开发方式等方面存在显著差异。Java应用程序更适合复杂任务和独立运行场景，而小程序（Applet）则适合快速部署和网页增强。开发者应根据具体需求选择合适的开发方式。

The Java Runtime Environment (JRE), also known as Java Runtime, is the part of the Java Development Kit (JDK) that contains and orchestrates the set of tools and minimum requirements for executing a ...

The combination of the Java Virtual Machine (Java interpreter), the core class library and supporting files, all of which are required to run a Java program. See Java and Java Virtual Machine.

JAVA_HOME is an operating system (OS) environment variable which can optionally be set after either the Java Development Kit (JDK) or the Java Runtime Environment (JRE) is installed. The JAVA_HOME ...