蓝桥杯JAVA 查找整数

import java.util.Scanner;public class Main {    public static void main(String[] args) {        Scanner scanner=new Scanner(System.in);        int n;        n=scanner.nextInt();        int[] arr=new int[n];        for (int i = 0; i < n; i++) {            arr[i]=scanner.nextInt();        }        int a=scanner.nextInt();//目标数        int position=0;        for(int i=0;i<n;i++){            if (arr[i]==a) {                position=i+1;                break;            }else {                position=-1;            }        }        System.out.println(position);        }    }