Einfachere Entwicklung
"This new Release includes changes to generic types, metadata, autoboxing, an enhanced for loop, enumerated types, static import, C style formatted input/output, variable arguments, concurrency utilities, and simpler RMI interface generation."

Skalierbarkeit und Geschwindigkeit
"The 5.0 release delivers improvements in scalability and performance, with a focus on startup time and memory footprint, to make it easier to deploy applications running at top speed."

Überwachung und Managebarkeit
"The J2SE 5.0 release provides comprehensive monitoring and management support: instrumentation to observe the Java virtual machine, Java Management Extensions (JMX) framework, and remote access protocols. All this is ready to be used out-of-the-box."

Desktop Client
"The Java Desktop client remains a key component of the Java platform and as such has been significantly improved in J2SE 5.0."