To develop an API that retrieves data from a hospital system using reusable Java libraries, thedeveloper should install libraries in a local repository and refer to it in the pom.xml file. This way, the developer can use Maven to manage dependencies and invoke Java code from Mule applications using Java Module operations. References: https://docs.m ulesoft.com/mule-runtime/4.3/java-module-reference#add-the-java-module-to-your-projecthttps://docs.mulesoft.com/mule-runtime/4.3/java-module-reference#invok e-java-code