[Java-frontend] Fix duplication bug #1617
Merged
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There is a mechanism in FunctionConfig to check whether a function exists in the list before adding it to avoid duplication. However, there is a bug in which setFunctionElements does not check for duplication when renewing the function list. This makes the final output data.yaml file contains quite some amount of duplicated data. This PR fixes that and the size of data.yaml for the Java project should be significantly decreased.