29.05(2)

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner s = new Scanner(System.in);
        char[] arr = new char[10];
        System.out.printf("please enter %s letters ", arr.length);
        for (char i = 0; i < arr.length; i += 1)
            arr[i] = s.next().charAt(0);
        System.out.printf("The Capital Letters is in index: ");
        for (int i = 0; i < arr.length; i += 1) {
            if (arr[i] >= 'A' && arr[i] <='Z')
                System.out.printf("%d ",i);
        }

    }
}