https://www.cnblogs.com/qingyunzong/p/8899715.html练习1：map、filter//通过并行化生成rddvalrdd1=sc.parallelize(List(5,6,4,7,3,8,2,9,1,10))//对rdd1里的每一个元素乘2然后排序valrdd2=rdd1.m...