Merge pull request #35 from MartinWeindel/scala-2.10

Fixing inconsistencies and warnings on Scala 2.10 branch

- scala 2.10 requires Java 1.6
- using newest Scala release: 2.10.3
- resolved maven-scala-plugin warning
- fixed various compiler warnings

2 files changed, 2 insertions, 4 deletions

diff --git a/mllib/src/test/java/org/apache/spark/mllib/clustering/JavaKMeansSuite.java b/mllib/src/test/java/org/apache/spark/mllib/clustering/JavaKMeansSuite.java
index 32d3934ac1..33b99f4bd3 100644
--- a/mllib/src/test/java/org/apache/spark/mllib/clustering/JavaKMeansSuite.java
+++ b/mllib/src/test/java/org/apache/spark/mllib/clustering/JavaKMeansSuite.java
@@ -77,7 +77,7 @@ public class JavaKMeansSuite implements Serializable {
 
   @Test
   public void runKMeansUsingStaticMethods() {
-    List<double[]> points = new ArrayList();
+    List<double[]> points = new ArrayList<double[]>();
     points.add(new double[]{1.0, 2.0, 6.0});
     points.add(new double[]{1.0, 3.0, 0.0});
     points.add(new double[]{1.0, 4.0, 6.0});
@@ -94,7 +94,7 @@ public class JavaKMeansSuite implements Serializable {
 
   @Test
   public void runKMeansUsingConstructor() {
-    List<double[]> points = new ArrayList();
+    List<double[]> points = new ArrayList<double[]>();
     points.add(new double[]{1.0, 2.0, 6.0});
     points.add(new double[]{1.0, 3.0, 0.0});
     points.add(new double[]{1.0, 4.0, 6.0});
diff --git a/mllib/src/test/java/org/apache/spark/mllib/recommendation/JavaALSSuite.java b/mllib/src/test/java/org/apache/spark/mllib/recommendation/JavaALSSuite.java
index 3323f6cee2..c474e01188 100644
--- a/mllib/src/test/java/org/apache/spark/mllib/recommendation/JavaALSSuite.java
+++ b/mllib/src/test/java/org/apache/spark/mllib/recommendation/JavaALSSuite.java
@@ -20,8 +20,6 @@ package org.apache.spark.mllib.recommendation;
 import java.io.Serializable;
 import java.util.List;
 
-import scala.Tuple2;
-
 import org.junit.After;
 import org.junit.Assert;
 import org.junit.Before;