Add dev stories to Java page (#440)

Contributes to #433

content/docs/languages/java/_index.md

@@ -1,6 +1,7 @@
 ---
 title: &lang Java
 language: *lang
+spelling: cSpell:ignore javadoc Nikos Katirtzis Tomo youtube Varun Tuhin Kanti Sharma
 api_path: grpc-java/javadoc
 src_repo: github.com/grpc/grpc-java
 src_repo_content: github.com/grpc/grpc-java/blob/master
@@ -80,4 +81,24 @@ src_repo_content: github.com/grpc/grpc-java/blob/master
 
 #### Developer stories and talks {#dev-stories}
 
-(_Content coming shortly_.)
+- [Introducing gRPC to our Hotels.com Platform — Part 1][],
+  by Nikos Katirtzis, Software Engineer, [Hotels.com][],
+  <span title="2020-12-17">December 2019</span>.
+- [Introducing gRPC to our Hotels.com Platform — Part 2][],
+  by Nikos Katirtzis, Software Engineer, [Hotels.com][],
+  <span title="2020-03-05">March 2020</span>.
+- Service Interoperability With gRPC: gRPC in Action
+  <a class="icon" href="https://youtu.be/MLS7TFHrn_c"><i class="fab fa-youtube"></i>
+  </a><a class="icon" href="https://static.sched.com/hosted_files/grpcconf20/d3/Service%20Interoperability%20with%20gRPC.pdf"><i class="far fa-file"></i></a><br>
+  A [gRPC Conf 2020 presentation](https://sched.co/cRfl)
+  by Varun Gupta & Tuhin Kanti Sharma, Salesforce.
+- gRPC and Java Diamond Dependency Conflicts
+  <a class="icon" href="https://youtu.be/4M5fC9XrtKs">
+    <i class="fab fa-youtube"></i>
+  </a><a class="icon" href="https://static.sched.com/hosted_files/grpcconf20/7a/gRPC%20and%20Java%20Diamond%20Dependency%20Conflicts.pdf"><i class="far fa-file"></i></a><br>
+  A [gRPC Conf 2020 presentation](https://sched.co/cRfT)
+  by Tomo Suzuki, Google.
+
+[Hotels.com]: https://hotels.com
+[Introducing gRPC to our Hotels.com Platform — Part 1]: https://medium.com/expedia-group-tech/introducing-grpc-to-our-hotels-com-platform-part-1-61716af50b13
+[Introducing gRPC to our Hotels.com Platform — Part 2]: https://medium.com/expedia-group-tech/introducing-grpc-to-our-hotels-com-platform-part-2-8024a1dda0aa