Home » IBM » C9530-001 » Which deployment method allows for the most reuse of the Java Library?
Several applications in an organization use a common Java library, commom.jar. Two applications App1 and App2 have their own shared libraries shlib1.jar and shlib2.jar that reference common.jar. Which deployment method allows for the most reuse of the Java Library?
A. Deploy all the jar files as static libraries.
B. Deploy all the jar files as part of the applications.
C. common.jar deployed as a shared library along with the shlib1.jar and shlib2.jar as shared libraries.
D. shlib1.jar and shlib2.jar must now be deployed as static libraries and common.jar as a shared library.
Correct Answer: D
Explanation/Reference:
Explanation:
Consider a scenario when you want to develop a set of common resources and make them available to multiple applications.
Shared libraries
If you want to deploy and manage just one copy of those common resources, use a shared library. A shared library can be deployed directly to an integration server. Any application can reference the resources in that deployed shared library. If that shared library is updated, the changes are immediately visible to all referencing applications.
Static libraries
If you want each application to use a different version of the contained resource, use a static library. Each application that references that static library is deployed with its own private copy of that library. If a static library is updated, each application that references it must be repackaged and redeployed with the updated static library.
References: https://www.ibm.com/support/knowledgecenter/en/SSMKHH_10.0.0/com.ibm.etools.mft.doc/bc23066_.htm
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