在Spark应用开发中,以下哪项的代码能i正常进行单词统计?
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- A、val counts = textFile. map(line=>line. split(“”)). mpa(-rd=> (word, 1), reduceByKey( + )
- B、val counts = textFile. flatmap(line=>line. split(“”)). mpa (word=> (word, 1)), reduceyKey(_ + )
- C、val counts = textFile. map(line=>line. split(“”)). mpa(-rd=> (word, 1), reduceByKey()
- D、val counts = textFile. flatmap(line=>line. split(“”)). mpa(-rd=> (word, 1)), reduceByKey()
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