Kotlin filter 根据条件过滤数组

Posted 2022-04-14 安果移不动

fun main() 
    val numbers1 = listOf<Int>(213, 4, 534, 646, 757, 8, 97, 9);
    val numbers2 = listOf<Int>(214, 5, 535, 647, 758, 9, 98, 10);
    val numbers3 = listOf(numbers1, numbers2);
    val res = numbers3.flatMap 
        it
    .filter 
        it < 10
    
    println(res)