Question

How do I enter a digit like ‘23423’ and output it like ‘2 3 4 2 3’? And how do I make it so that user cannot enter less or more than 5-digits?
(Your help would be appreciated. I just need hints from you guys since I’m learning Java. Looking forward to learn something new.)

This is what I have so far:

    Scanner input = new Scanner(System.in);

    int value1, value2, value3, value4, value5;

    System.out.print("Enter a number: ");
    value1 = input.nextInt();

    System.out.print("Enter a number: ");
    value2 = input.nextInt();

    System.out.print("Enter a number: ");
    value3 = input.nextInt();

    System.out.print("Enter a number: ");
    value4 = input.nextInt();

    System.out.print("Enter a number: ");
    value5 = input.nextInt();

    System.out.printf(" %d " + " %d " + " %d " + " %d " + " %d\n ", value1, value2, value3, value4, value5);

Answer 1

If you really want them to enter a single 5 digit number, you’re going to have to do validation on the users input and then give an error if the input isn’t valid. If the requirements are such that the first digit of your 5 digit number should never be zero, you can just get an int and then check if it is greater than 9999 and less than 100000. Otherwise take it as a string and check the length, then turn it into an integer once you have validated it.