Java™ Standard Edition Products on z/OS

The Java products for z/OS are full function, have passed the Java compatible test suites and carry the Java compatible logo.

Use 'Products' on the navigation bar for information about all available products. If you know the specific Technology Edition that you want, see 'Latest News' to navigate directly.

Latest News

	IBM 31-bit SDK for z/OS, Java Technology Edition, V6 Build Level: October 28, 2009 (PTF UK50947/APAR PK98040/SDK6 SR6) This level of the product is a regular service update; it contains integrated Java (JZOS) batch capability. It includes a Java launcher and Java APIs for system services specific to z/OS. For more information see the JZOS Java Launcher and Toolkit Overview.
	IBM 64-bit SDK for z/OS, Java Technology Edition, V6 Build Level: October 28, 2009 (PTF UK50984/APAR PK98041/SDK6 SR6) This level of the product is a regular service update; it contains integrated Java (JZOS) batch capability. It includes a Java launcher and Java APIs for system services specific to z/OS. For more information see the JZOS Java Launcher and Toolkit Overview.
	z/OS Java API extensions and cookbook now available on alphaWorks for evaluation A set of JZOS-related APIs and cookbook is available on alphaWorks for download. These APIs are intended for evaluation and non-production testing under the alphaWorks guidelines. The JZOS Cookbook 1.0.4 download contains an example inventory application.
	IBM 31-bit SDK for z/OS, Java 2 Technology Edition, V5 Build Level: July 7, 2009 (PTF UK48410/APAR PK91160/SDK5 SR10) This level of the product is a regular service update; it continues to include JZOS, at the 2.3.0 level, function formerly on alphaWorks. It includes a Java launcher and Java APIs for system services specific to z/OS. For more information see the JZOS Java Launcher and Toolkit Overview.
	IBM 64-bit SDK for z/OS, Java 2 Technology Edition, V5 Build Level: July 7, 2009 (PTF UK48412/APAR PK91161/SDK5 SR10) This level of the product is a regular service update; it continues to include JZOS, at the 2.3.0 level, function formerly on alphaWorks. It includes a Java launcher and Java APIs for system services specific to z/OS. For more information see the JZOS Java Launcher and Toolkit Overview.
	IBM SDK for z/OS, Java 2 Technology Edition, V1.4 Build Level: September 18, 2009 (PTF UK50752/APAR PK97841/SDK1.4.2 SR13 Fixpack 2) This level of the product is a regular service update. Note: This product is out of marketing, as of September 30, 2008 and has been withdrawn from service, effective September 30, 2011.
	IBM 64-bit SDK for z/OS, Java 2 Technology Edition, V1.4 Build Level: May 17, 2008 (PTF UK36704/APAR PK60864/SDK1.4.2 SR11) Note: This product is now out of service, as of September 30, 2008.

Continuing Interest

	The IBM SDK Diagnostics Guide are available
	Diagnostic guides for SDK6, SDK5, SDK1.4.2, 64-bit SDK1.4.2, and SDK1.4.1 are available. These guides include a description of IBM-specific facilities and their use. (December, 2007)
	Java Security on z/OS - The Complete View, SG24-7610-00. This IBM Redbooks publication describes and explains which z/OS security services can be exploited by Java stand-alone applications executing on z/OS. It is intended for experienced z/OS users with a moderate knowledge of Java, and experienced Java users with some knowledge of z/OS.
	Java Stand-alone Applications on z/OS, Volume II, SG24-7291-00. This IBM Redbook is the second in a series of two about using Java stand-alone applications on z/OS. This book explains some topics in more depth and provides information about JZOS, a newly integrated function in the z/OS SDKs that can be used to run Java batch jobs and perform I/O. (December, 2006)
	Java Stand-alone Applications on z/OS, Volume 1, SG24-7177-00. This IBM Redbook is about using Java on z/OS to develop, deploy, and run stand-alone and batch applications. (May, 2006)
	Guidance on updating Java SDKs and JREs for Daylight Saving Time (DST) The Energy Policy Act of 2005 (Public Law 109-58) was passed by the United States Congress. This law changes the time-change dates for Daylight Savings Time in the United States. Beginning in 2007, DST will begin on the second Sunday in March and end on the first Sunday in November. To guide you through the changes you need to make see Guidance on updating Java SDKs and JREs for Daylight Saving Time (DST) changes. Specifically for z/OS, for more information about related PTFs and various SDK service levels, see Daylight Saving Time: Java on z/OS SDK Products.
	IBM Purchases Java Batch Technology for z/OS The JZOS batch technology developed by Dovetailed Technologies, LLC, is now available from the alphaWorks web site. There are versions for use with SDK 1.3.1, SDK 1.4.2 and SDK 5 31-bit Java products.
	Java technology, IBM style: Introduction to the IBM Developer Kit
	An overview of the new functions and features in the IBM implementation of Java 5.0. (May, 2006)
	Information about Sun security alerts February, 2006
	System z Application Assist Processors (zAAP)
	Today IBM announced a lower cost alternative to general purpose zSeries processors. Customers can lower the cost of computing for z/OS Java-based applications by executing them transparently and without change on a zAAP. Running Java applications on a zAAP will depend on the SDK1.4 z/OS Java product in conjunction with IBM eServer zSeries 990 (z990) or zSeries 890 (z890) running z/OS 1.6. (April 7, 2004)

Customer Experiences

	Zagrebacka Banka and the business partner Vestigo
	Major Croatian bank establishes a robust, open standards based e-business platform with IBM eServer zSeries servers running CICS Transaction Server and CICS Transaction Gateway, allowing it to introduce new offerings to its customers and partners more quickly. Part of this solution is the development (with the help of Vestigo and IBM Montpellier) of two Java based apps (cash management and card management) running under CICS.