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IBM developer kits

Develop and test Java™ Platform Standard Edition applications and applets with the IBM Software Development Kit. Download IBM packages, access Java resources, and collaborate here with our developers.


IBM SDK, Java Technology Edition, Version 8, Service Refresh 5, Fix Pack 5

The latest refresh of the Software Developers Kit (SDK) and Java™ runtime environment is now available. This refresh contains the latest Oracle Critical Patch Update (CPU) and IBM fixes to the code base. Visit the Downloads page to obtain packages for AIX, Linux, and z/OS platforms. To find out more about the fixes, see the...

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Measuring Java performance (or Jack starts a taxi business): Part 2

Response time, memory footprint, and scalability In the previous article, Jack considered buying a new car for his taxi business and looked at how long the car would take to get going (application startup time) and how quickly it would get up to speed (application ramp-up time). Having found a suitable vehicle, he then thought...

Continue reading Measuring Java performance (or Jack starts a taxi business): Part 2