Java's philosophy of 'Write Once, Run Anywhere' (WORA) is central to its cross-platform capabilities. This is achieved through the use of the Java Virtual Machine (JVM), which allows Java applications to run on any device that has a JVM, regardless of the underlying hardware or operating system. This means developers can write their application code once and deploy it across multiple platforms without needing to modify it for each one. This cross-compatibility feature is especially beneficial for businesses aiming for a wide deployment across diverse computing environments, significantly reducing development and maintenance costs. Java's extensive standard library further supports cross-platform functionality by providing a uniform, platform-independent interface to networking, file handling, and graphical user interfaces (GUIs).