java 输入 1,2,3,4,5,6,7,8,9 怎样能显示出 x = 1,3,5,7,9 y= 2,4...答:package IO;import java.util.ArrayList;import java.util.Scanner;public class TestScanner { public static void main(String[] args) { Scanner sc = new Scanner(System.in); String str = sc.nextLine(); ArrayList<Integer> xList = new ArrayList<Integer>(); ArrayList<Integ...