Can we use java for ETL in AWS Glue? It seems like there is only two option for Glue ETL programming i.e. Python and Scala.
No
Q: What programming language can I use to write my ETL code for AWS Glue?
You can use either Scala or Python.
Resource: AWS Glue FAQ
来源：https://stackoverflow.com/questions/52990462/can-we-use-java-for-etl-in-aws-glue