Java is a cross-platform, object-oriented programming language with the distinct advantage of the "write once, run anywhere" capability. It is widely used in enterprise applications, web development, mobile applications, and big data processing. This topic describes some methods for deploying a Java environment, including manual deployment.
OpenJDK
OpenJDK is an open-source Java SDK that includes the Java Runtime Environment (JRE) and Java Development Kit (JDK). For detailed instructions on the manual installation of multiple OpenJDK versions for Linux and Windows, see Deploy an OpenJDK environment.
Alibaba Dragonwell JDK
Alibaba Dragonwell JDK is a specialized version of OpenJDK provided by Alibaba Cloud for high-performance requirements. It is optimized for online e-commerce, financial, and logistics applications running on over 100,000 servers. Alibaba Dragonwell serves as the engine for these distributed Java applications, and offers very high scalability. For more information about deploying Alibaba Dragonwell JDK, see Deploy Alibaba Dragonwell JDK.