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Java 2 Platform Standard Edition (J2SE) software is the premier platform for rapidly developing and deploying secure, portable applications that run on server and desktop systems. J2SE 5.0 is a significant release including many new features and updates while preserving compatibility and stability. This is the official Java Software Development Kit from Sun Microsystems.
Full Specifications
What's new in version Last release, Update 22
General
ReleaseDecember 5, 2008
Date AddedFebruary 7, 2006
VersionLast release, Update 22
Operating Systems
Operating SystemsWindows 2000, Windows 98, Windows Me, Windows, Windows XP, Windows NT
Additional RequirementsWindows 98/Me/NT/2000/XP/2003 Server