数组 找下标

import java.util.Scanner;
public class Demo2{
    public static void main(String[] args) {
        int[] array = {5,10,23,12,8};
        Scanner scan = new Scanner(System.in);
        System.out.println("请输入要查找的值：");
        int num = scan.nextInt();
        int index = -1;
        for (int i=0;i<array.length;i++) {
            if(num==array[i]){
                index = i;
                break;
            }
        }
        if(index!=-1){
            System.out.println("找到，下标为："+index);
        }else{
            System.out.println("没有找到");
        }
        

    }

}