大数据scala之list集合
val list = List(1,2,3,4,5,6,7,8,9,10)
println(list.map(x => x * 100).filter(x => x >= 500).size)
list.map(x => x*100).filter(x => x>= 500 ).foreach(x => println(x))
val list = List(1,2,3,4,5,6,7,8,9,10)
println(list.map(x => x * 100).filter(x => x >= 500).size)
list.map(x => x*100).filter(x => x>= 500 ).foreach(x => println(x))