Yes, I think you're right. Since this is a change to the ASF hosted site, I can make this change to the .md / .html directly rather than go through the usual PR.
On Wed, Jun 3, 2015 at 6:23 PM, linkstar350 . <tweicomepan...@gmail.com> wrote: > Hi, I'm Taira. > > I notice that this example page may be a mistake. > > https://spark.apache.org/examples.html > > ============================ > Word Count (Java) > > JavaRDD<String> textFile = spark.textFile("hdfs://..."); > JavaRDD<String> words = textFile.flatMap(new FlatMapFunction<String, > String>() { > public Iterable<String> call(String s) { return Arrays.asList(s.split(" > ")); } > }); > JavaPairRDD<String, Integer> pairs = words.mapToPair(new > PairFunction<String, String, Integer>() { > public Tuple2<String, Integer> call(String s) { return new > Tuple2<String, Integer>(s, 1); } > }); > JavaPairRDD<String, Integer> counts = pairs.reduceByKey(new > Function2<Integer, Integer>() { > public Integer call(Integer a, Integer b) { return a + b; } > }); > counts.saveAsTextFile("hdfs://..."); > ============================ > > Function2 should have three generic type arguments, but there are only two. > > I hope for your consideration. > > Taira > > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-unsubscr...@spark.apache.org > For additional commands, e-mail: user-h...@spark.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@spark.apache.org For additional commands, e-mail: user-h...@spark.apache.org
