Github user gallenvara commented on the pull request: https://github.com/apache/flink/pull/1349#issuecomment-156890933 Hi, @chiwanpark . Thanks for your review. I'm not very clear about your first suggestion. Do you mean that we should remove type description when to create a new generics? For example: `DataSource<Tuple2<Float, String>> input = env.fromElements(new Tuple2<Float, String>(1f, "Hello"))` --> `DataSource<Tuple2<Float, String>> input = env.fromElements(new Tuple2<>(1f, "Hello"))`
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