Changes - III addressed

Author: chetkhatri

examples/src/main/java/org/apache/spark/examples/ml/JavaQuantileDiscretizerExample.java

@@ -66,7 +66,7 @@ public static void main(String[] args) {
       .setNumBuckets(3);
 
     Dataset<Row> result = discretizer.fit(df).transform(df);
-    result.show();
+    result.show(false);
     // $example off$
     spark.stop();
   }

examples/src/main/scala/org/apache/spark/examples/ml/QuantileDiscretizerExample.scala

@@ -45,7 +45,7 @@ object QuantileDiscretizerExample {
       .setNumBuckets(3)
 
     val result = discretizer.fit(df).transform(df)
-    result.show()
+    result.show(false)
     // $example off$
 
     spark.stop()

examples/src/main/scala/org/apache/spark/examples/mllib/StratifiedSamplingExample.scala

@@ -41,10 +41,10 @@ object StratifiedSamplingExample {
     val exactSample = data.sampleByKeyExact(withReplacement = false, fractions = fractions)
     // $example off$
 
-    println(s"approxSample size is ${approxSample.collect().size.toString}")
+    println(s"approxSample size is ${approxSample.collect().size}")
     approxSample.collect().foreach(println)
 
-    println(s"exactSample its size is ${exactSample.collect().size.toString}")
+    println(s"exactSample its size is ${exactSample.collect().size}")
     exactSample.collect().foreach(println)
 
     sc.stop()