package practise3.exercises /*练习 5:使用 filter 给你: val nums = List(1, 2, 3, 4, 5, 6, 7, 8, 9, 10) 使用 filter,只保留偶数: List(2, 4, 6, 8, 10) 提示: x % 2 == 0*/ object Exercises5 { def main(args: Array[String]): Unit = { val nums = List(1, 2, 3, 4, 5, 6, 7, 8, 9, 10) val result = nums.filter(x => x % 2 == 0) println(result) } }