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J2SE 1.4.2

J2SE 1.4.2 is in its Java Technology End of Life (EOL) transition period. The EOL transition period began Dec, 11 2006 and will complete October 30th, 2008, when J2SE 1.4.2 will have reached its End of Service Life (EOSL). Customers interested in learning more about Sun's Java Technology Support and EOL policy » Read More

On Solaris 9 and Solaris 10 Java SE 1.4.2 JDK packages for Solaris will continue to be available for Sun contract customers. For information on how to download the JDK for use on Solaris 9 and Solaris 10 with Sun software

Customers interested in continuing to receive critical fixes, are encouraged to consider the following options:

  • Migrate to the latest Java SE release » Read More
  • Migrate to Java SE for Business 1.4.2 » Read More


During this EOL transition period, the products will continue to be supported per existing customer support agreements.

For developer needs, all products that have completed the EOL transition period will be moved to the Archive area.

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

Release 1.4 of the Java 2 Platform, Standard Edition (J2SE) represents an advance from J2SE 1.3. J2SE 1.4 adds new features and functionality, enhanced performance and scalability, and improved reliability and serviceability.   »  Download J2SE 1.4.2.

J2SE 1.4 provides a foundation for building standards-based, interoperable applications, applets, and Web services.

Enhanced Performance and Scalability See our Performance and Scalability Guide for an overview of the performance and scalability enhancements made in the J2SE 1.4 release.

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

Java 2 Platform, Standard Edition version 1.4.2