List排序 ，取最大值最小值

List排序 ，取最大值最小值

public static void main(String[] args) {
    
        List list = Arrays.asList(5,2,3,1,9);
        int N = list.size();
        int t = 0;
        Collections.sort(list);
        System.out.println("顺序--"+list);
        Collections.reverse(list);
        System.out.println("倒叙--"+list);
        Collections.shuffle(list);
        System.out.println("随机--"+list);

    }

Integer max = Collections.max(iList); 取中最大值
Integer max = Collections.min(iList); 取中最小值