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[MINOR] [DOCS] Fix map -> mapToPair in Streaming Java example #4967

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[MINOR] [DOCS] Fix map -> mapToPair in Streaming Java example #4967

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8 changes: 4 additions & 4 deletions docs/streaming-programming-guide.md
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Original file line number Diff line number Diff line change
Expand Up @@ -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;
}
});
Expand Down Expand Up @@ -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;
}
};
Expand Down