1 files changed, 3 insertions, 22 deletions
diff --git a/examples/src/main/java/org/apache/spark/examples/streaming/JavaNetworkWordCount.java b/examples/src/main/java/org/apache/spark/examples/streaming/JavaNetworkWordCount.java
index 7a8fe99f48..b217672def 100644
--- a/examples/src/main/java/org/apache/spark/examples/streaming/JavaNetworkWordCount.java
+++ b/examples/src/main/java/org/apache/spark/examples/streaming/JavaNetworkWordCount.java
@@ -18,15 +18,11 @@
 package org.apache.spark.examples.streaming;
 
 import java.util.Arrays;
-import java.util.Iterator;
 import java.util.regex.Pattern;
 
 import scala.Tuple2;
 
 import org.apache.spark.SparkConf;
-import org.apache.spark.api.java.function.FlatMapFunction;
-import org.apache.spark.api.java.function.Function2;
-import org.apache.spark.api.java.function.PairFunction;
 import org.apache.spark.api.java.StorageLevels;
 import org.apache.spark.streaming.Durations;
 import org.apache.spark.streaming.api.java.JavaDStream;
@@ -66,24 +62,9 @@ public final class JavaNetworkWordCount {
     // Replication necessary in distributed scenario for fault tolerance.
     JavaReceiverInputDStream<String> lines = ssc.socketTextStream(
             args[0], Integer.parseInt(args[1]), StorageLevels.MEMORY_AND_DISK_SER);
-    JavaDStream<String> words = lines.flatMap(new FlatMapFunction<String, String>() {
-      @Override
-      public Iterator<String> call(String x) {
-        return Arrays.asList(SPACE.split(x)).iterator();
-      }
-    });
-    JavaPairDStream<String, Integer> wordCounts = words.mapToPair(
-      new PairFunction<String, String, Integer>() {
-        @Override
-        public Tuple2<String, Integer> call(String s) {
-          return new Tuple2<>(s, 1);
-        }
-      }).reduceByKey(new Function2<Integer, Integer, Integer>() {
-        @Override
-        public Integer call(Integer i1, Integer i2) {
-          return i1 + i2;
-        }
-      });
+    JavaDStream<String> words = lines.flatMap(x -> Arrays.asList(SPACE.split(x)).iterator());
+    JavaPairDStream<String, Integer> wordCounts = words.mapToPair(s -> new Tuple2<>(s, 1))
+        .reduceByKey((i1, i2) -> i1 + i2);
 
     wordCounts.print();
     ssc.start();