J2SE 5.0

Important Notice! Java SE 6 represents the latest release of the Java Platform, Standard Edition. Customers are encouraged to migrate today. Read More

Java Platform, Standard Edition (Java SE) software is the premier platform for rapidly developing and deploying secure, portable applications that run on server and desktop systems spanning most operating systems. J2SE 5.0 is a significant release including many new features and updates while preserving compatibility and stability.

J2SE 5.0 Update Now Available! The Release Notes summarize the changes made in this and previous updates.

The development of J2SE 5.0 was led by Sun and progressed following the Java Community Process (JCP) to include input from a variety of constituents. Some highlights of J2SE 5.0:

  • New language updates: Metadata, Generics, Enumerated types, Autoboxing of primitive types
  • New JVM Monitoring and Management API
  • Improved out-of-box performance
  • New (but compatible) default Java look and feel

Please see the System Configurations document for information on supported systems.

Naming conventions have been changed. If you're not clear on the difference between J2SE and Java SE 6, please read the Naming and Versioning article.

Looking for an Older Release?

Oracle provides some older product and technology releases as a courtesy to developers for problem resolution. These releases and products have completed the Oracle "end-of-life" (EOL) process and are no longer supported under standard support contracts. However, you can access them via our archives.