网站介绍:文章浏览阅读255次。Scala编程一、Scala函数式编程多范式:面向对象,函数式编程(程序实现起来简单)举例:WordCount sc 是 SparkContext , 非常重要一行:var result = sc.textFile("hdfs://xxxx/xxx/data.txt").flatMap(_.split(" ")).map((_,1)).reduceByKey(_+_).collect..._there was one deprecation warning;
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