java基础案例教程5-1模拟订单生成

package asd;
import java.util.Scanner;
public class er {
    public static void main(String[] args) {
        Scanner input=new Scanner(System.in);
        System.out.println("请输入年,月,日");
        int year=input.nextInt();
        int month=input.nextInt();
        int day=input.nextInt();
        int[] arr={year,month,day};
        String s=array(arr);
        System.out.println(s);

    }
    public static  String array(int[] arr){
        String s="[";
        for(int i=0;i<arr.length;i++){
            if(i!=arr.length-1){
                s+=arr[i];
            }else{
                s+=arr[i];
                s+="]";
            }
        }
        return s;
    }

}