[GitHub] yzhliu edited a comment on issue #12772: [MXNET-984] Add Java NDArray and introduce Java Operator Builder class

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yzhliu edited a comment on issue #12772: [MXNET-984] Add Java NDArray and introduce Java Operator Builder class
URL: https://github.com/apache/incubator-mxnet/pull/12772#issuecomment-429219340
 
 
   IMO it is not always "bad" to expose Scala classes. Scala classes are not necessary a "new language" that requires users to learn. e.g., scala.Tuple, many Java 3rd parties (Guava, Apache Common, javatuples) provide exactly the same thing.
   
   Spark only re-implement a very small set of classes, mostly RDDs, and not every RDD have a Java version.
   
   At least these four classes are already "java-friendly". Duplicating will only increase maintenance efforts. Honestly I don't see why `DataDesc` is not java-friendly.
   
   It makes sense to me to have Java version of NDArray, (and maybe also Module, etc), because they have too many functions that are not java-friendly. But not every class is in such situation.

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