[GitHub] hequn8128 opened a new pull request #7052: [FLINK-10814][examples] Add scala suffix for Kafka example module

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hequn8128 opened a new pull request #7052: [FLINK-10814][examples] Add scala suffix for Kafka example module
URL: https://github.com/apache/flink/pull/7052
 
 
   
   ## What is the purpose of the change
   
   The kafka examples need Scala suffixes just like flink-examples-batch and flink-examples-streaming.
   This pr adds Scala suffix for Kafka example module.
   
   
   ## Brief change log
   
     - Add Scala suffix for Kafka example module
     - Add Scala Compiler in the pom
     - Import scala environment and classes instead of java.
   
   
   ## Verifying this change
   
   This change is a trivial rework / code cleanup without any test coverage.
   
   ## Does this pull request potentially affect one of the following parts:
   
     - Dependencies (does it add or upgrade a dependency): (no)
     - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (no)
     - The serializers: (yes / no / don't know)
     - The runtime per-record code paths (performance sensitive): (no)
     - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (no)
     - The S3 file system connector: (no)
   
   ## Documentation
   
     - Does this pull request introduce a new feature? (no)
   

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