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Using External Libraries for Development with
NWDI 
Here you will find information about performing development with the SAP NetWeaver Development Infrastructure (NWDI), using external libraries for Build Time and Run Time dependencies.
You create an External Library development component (DC) project and add a JAR file to the project. Then you create a public part of the DC that is associated with the external library; then you check in and activate the DC. Here you also learn how to use the public parts, add dependencies, and synchronize the used DCs when using external libraries.
● SAP NetWeaver Developer Studio is installed.
● You are familiar with NWDI and the SAP component model.
● You have configured the Design Time Repository (DTR).

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1. Create an external library DC.
More information: Creating an External Library.
2. Add the external library to the project, using drag and drop.
More information: Adding an External Library to a Project.
3. Create a public part of the DC to be associated with the library.
More information: Creating a Public Part for a Library.
4. Associate the library with the public part.
More information: Associating Library with a Public Part.
5. Check in the activity and activate the DC.
More information: Checking In and Activating a Development Component.
6. Use a public part to add dependencies and synchronize used DC.
More information: Using a Public Part.