[SPARK-3850] Trim trailing spaces for examples/streaming/yarn.

Author: Reynold Xin <rxin@databricks.com>

Closes #6530 from rxin/trim-whitespace-1 and squashes the following commits:

7b7b3a0 [Reynold Xin] Reset again.
dc14597 [Reynold Xin] Reset scalastyle.
cd556c4 [Reynold Xin] YARN, Kinesis, Flume.
4223fe1 [Reynold Xin] [SPARK-3850] Trim trailing spaces for examples/streaming.

3 files changed, 11 insertions, 11 deletions

diff --git a/examples/src/main/scala/org/apache/spark/examples/LogQuery.scala b/examples/src/main/scala/org/apache/spark/examples/LogQuery.scala
index 32e02eab8b..75c82117cb 100644
--- a/examples/src/main/scala/org/apache/spark/examples/LogQuery.scala
+++ b/examples/src/main/scala/org/apache/spark/examples/LogQuery.scala
@@ -22,7 +22,7 @@ import org.apache.spark.SparkContext._
 
 /**
  * Executes a roll up-style query against Apache logs.
- *  
+ *
  * Usage: LogQuery [logFile]
  */
 object LogQuery {
diff --git a/examples/src/main/scala/org/apache/spark/examples/mllib/DenseGaussianMixture.scala b/examples/src/main/scala/org/apache/spark/examples/mllib/DenseGaussianMixture.scala
index 9a1aab036a..f8c71ccabc 100644
--- a/examples/src/main/scala/org/apache/spark/examples/mllib/DenseGaussianMixture.scala
+++ b/examples/src/main/scala/org/apache/spark/examples/mllib/DenseGaussianMixture.scala
@@ -41,22 +41,22 @@ object DenseGaussianMixture {
   private def run(inputFile: String, k: Int, convergenceTol: Double, maxIterations: Int) {
     val conf = new SparkConf().setAppName("Gaussian Mixture Model EM example")
     val ctx = new SparkContext(conf)
-    
+
     val data = ctx.textFile(inputFile).map { line =>
       Vectors.dense(line.trim.split(' ').map(_.toDouble))
     }.cache()
-      
+
     val clusters = new GaussianMixture()
       .setK(k)
       .setConvergenceTol(convergenceTol)
       .setMaxIterations(maxIterations)
       .run(data)
-    
+
     for (i <- 0 until clusters.k) {
-      println("weight=%f\nmu=%s\nsigma=\n%s\n" format 
+      println("weight=%f\nmu=%s\nsigma=\n%s\n" format
         (clusters.weights(i), clusters.gaussians(i).mu, clusters.gaussians(i).sigma))
     }
-    
+
     println("Cluster labels (first <= 100):")
     val clusterLabels = clusters.predict(data)
     clusterLabels.take(100).foreach { x =>
diff --git a/examples/src/main/scala/org/apache/spark/examples/streaming/MQTTWordCount.scala b/examples/src/main/scala/org/apache/spark/examples/streaming/MQTTWordCount.scala
index b336751d81..813c8554f5 100644
--- a/examples/src/main/scala/org/apache/spark/examples/streaming/MQTTWordCount.scala
+++ b/examples/src/main/scala/org/apache/spark/examples/streaming/MQTTWordCount.scala
@@ -40,7 +40,7 @@ object MQTTPublisher {
     StreamingExamples.setStreamingLogLevels()
 
     val Seq(brokerUrl, topic) = args.toSeq
-    
+
     var client: MqttClient = null
 
     try {
@@ -59,10 +59,10 @@ object MQTTPublisher {
           println(s"Published data. topic: ${msgtopic.getName()}; Message: $message")
         } catch {
           case e: MqttException if e.getReasonCode == MqttException.REASON_CODE_MAX_INFLIGHT =>
-            Thread.sleep(10) 
+            Thread.sleep(10)
             println("Queue is full, wait for to consume data from the message queue")
-        }  
-      }      
+        }
+      }
     } catch {
       case e: MqttException => println("Exception Caught: " + e)
     } finally {
@@ -107,7 +107,7 @@ object MQTTWordCount {
     val lines = MQTTUtils.createStream(ssc, brokerUrl, topic, StorageLevel.MEMORY_ONLY_SER_2)
     val words = lines.flatMap(x => x.split(" "))
     val wordCounts = words.map(x => (x, 1)).reduceByKey(_ + _)
-    
+
     wordCounts.print()
     ssc.start()
     ssc.awaitTermination()