=cdd #17778 Convert samples to java

akka-distributed-data/src/main/scala/akka/cluster/ddata/LWWMap.scala

@@ -44,8 +44,19 @@ final class LWWMap[A] private[akka] (
 
   type T = LWWMap[A]
 
+  /**
+   * Scala API: All entries of the map.
+   */
   def entries: Map[String, A] = underlying.entries.map { case (k, r) ⇒ k -> r.value }
 
+  /**
+   * Java API: All entries of the map.
+   */
+  def getEntries(): java.util.Map[String, A] = {
+    import scala.collection.JavaConverters._
+    entries.asJava
+  }
+
   def get(key: String): Option[A] = underlying.get(key).map(_.value)
 
   def contains(key: String): Boolean = underlying.contains(key)