diff options
| -rw-r--r-- | docs/streaming-programming-guide.md | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/docs/streaming-programming-guide.md b/docs/streaming-programming-guide.md index 815c98713b..062ac2648d 100644 --- a/docs/streaming-programming-guide.md +++ b/docs/streaming-programming-guide.md @@ -189,15 +189,15 @@ Next, we want to count these words. {% highlight java %} // Count each word in each batch -JavaPairDStream<String, Integer> pairs = words.map( +JavaPairDStream<String, Integer> pairs = words.mapToPair( new PairFunction<String, String, Integer>() { - @Override public Tuple2<String, Integer> call(String s) throws Exception { + @Override public Tuple2<String, Integer> call(String s) { return new Tuple2<String, Integer>(s, 1); } }); JavaPairDStream<String, Integer> wordCounts = pairs.reduceByKey( new Function2<Integer, Integer, Integer>() { - @Override public Integer call(Integer i1, Integer i2) throws Exception { + @Override public Integer call(Integer i1, Integer i2) { return i1 + i2; } }); @@ -1041,7 +1041,7 @@ val windowedWordCounts = pairs.reduceByKeyAndWindow((a:Int,b:Int) => (a + b), Se {% highlight java %} // Reduce function adding two integers, defined separately for clarity Function2<Integer, Integer, Integer> reduceFunc = new Function2<Integer, Integer, Integer>() { - @Override public Integer call(Integer i1, Integer i2) throws Exception { + @Override public Integer call(Integer i1, Integer i2) { return i1 + i2; } }; |