7.13扣...

import java.util.Scanner;

public class one5 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int[] list1 = {1, 3, 5, 7, 9};
        int[] list2 = {2, 4, 6, 8, 10};
        int sum = getsum(list1, list2);//总长度
        int[] list3 = new int[list1.length + list2.length];
        for (int i = 0; i < list1.length; i++) {
            list3[i] = list1[i];
        }
        for (int i = 0; i < list3.length - list1.length; i++) {
            list3[list3.length - list1.length + i ] = list2[i];
        }
        for (int i = 0; i < list3.length; i++) {
            System.out.println(list3[i]);
        }
        int n = list3.length;
        for (int i = 0; i < list3.length; i++) {//外层循环次数，等于数组长度
            for (int j = 0; j < list3.length - (i + 1); j++) {//内层循环次数，每次冒泡确定一个最大数在数组末尾，每次内层循环比较次数少1
                int middle;//中间变量
                if (list3[j] > list3[j + 1]) {//冒泡交换顺序
                    middle = list3[j];
                    list3[j] = list3[j + 1];
                    list3[j + 1] = middle;
                }
            }
        }
        for (int i = 0; i < list3.length; i++) {//循环赋值并取出
            System.out.println(list3[i]);
        }
        if (sum%2!=0){
            System.out.println(list3[list3.length/2]);
        }else {
            System.out.println((list3[list3.length/2]+list3[(list3.length/2)-1])/2);
        }

    }

    private static int getsum(int[] list1, int[] list2) {
        return list1.length + list2.length;
    }
}