一行输入多个数字 用空格隔开

　　　Scanner sc = new Scanner(System.in);
            String inputString = sc.nextLine();
            String stringArray[] = inputString.split(" ");
            int num[] = new int[stringArray.length];
            for (int i = 0; i < stringArray.length; i++) {
                  num[i] = Integer.parseInt(stringArray[i]);
            } 转化为数组