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My app uses an API from an external JAR file. This JAR file has been added into my project and added in the build path. My project builds and runs just fine, but now I need to update the JAR file (some code in those classes has changed). I created a new JAR and copied it into my project after removing the old one. Do I need to “re-import” the JAR file or is there some way for Eclipse to refresh/re-examine the JAR file Im removed and re-added ?
You should try to right click on the package name in the Package Explorer and select “Refresh” and then force Eclipse to recompile everything by clicking on the “Project” menu and click on the “Clean…” option. This works for me whenever I update JAR files in any of my Eclipse projects.