Oracle Java is a software platform that provides a development environment for creating and deploying application software in a cross-platform computing environment). It is the #1 programming language and development platform, used in a wide variety of computing platforms. Here are some key points about Oracle Java:

• Java Development Kit (JDK): It is a distribution of Java Technology by Oracle Corporation that implements the Java Language Specification (JLS) and the Java Virtual Machine Specification (JVMS) and provides the Standard Edition (SE) of the Java Application Programming Interface (API)).

• Java Runtime Environment (JRE): It is a freely available software distribution containing a stand-alone JVM (HotSpot), the Java standard library (Java Class Library), a configuration tool, and a browser plug-in (until its discontinuation in JDK 9)).

• Java Virtual Machine (JVM): It is an abstract computing machine that has an instruction set and manipulates memory at run time. The Java virtual machine is ported to different platforms to provide hardware- and operating system-independence.

• Licensing: Oracle Java has a commercial license for commercial use in production environments. However, Oracle provides free downloads and usage for development and testing purposes. Additionally, Oracle offers long-term support (LTS) versions of Java that receive updates and security patches for an extended period.

• Platform Support: Oracle Java is available for various platforms, including Windows, macOS, Linux, and Solaris. It supports both 32-bit and 64-bit architectures.

• OpenJDK Relationship: Oracle Java is a derivative of the community-driven OpenJDK, which Oracle stewards).

In summary, Oracle Java is a widely used and popular implementation of the Java platform, providing tools and libraries for developing Java applications.