Ali, the Apache Kafka project still targets Java 7, which means we can't use Java 8 features just yet.
FYI: There's on ongoing conversation about when Kafka would move from Java 7 to Java 8. On Fri, Oct 7, 2016 at 6:14 PM, Ali Akhtar <ali.rac...@gmail.com> wrote: > Since we're using Java 8 in most cases anyway, Serdes / Serialiazers should > use options, to avoid having to deal with the lovely nulls. >
