Write a program that reads in an integer and breaks it into a sequence of indivi

Question

Write a program that reads in an integer and breaks it into a sequence of individual digits in reverse order. For example, the input 16384 is displayed as

4
8
3
6
1

You may assume that the input has no more than five digits and is not negative.

Declare a class DigitExtractor:

public class DigitExtractor
{
/**
Constructs a digit extractor that gets the digits
of an integer in reverse order.
@param anInteger the integer to break up into digits
*/
public DigitExtractor(int anInteger) { . . . }

/**
Returns the next digit to be extracted.
@return the next digit
*/
public int nextDigit() { . . . }
}

In your main class DigitPrinter, call System.out.println(myExtractor.nextDigit()) five times.

Here are sample program runs:

Please enter a 5 digit integer: 16384
4
8
3
6
1

Please enter a 5 digit integer: 93476
6
7
4
3
9
Your main class should be called DigitPrinter.

Explanation / Answer

public class DigitExtractor
{
    private int anInteger;
    public DigitExtractor(int t)
    {
        anInteger=t;
    }
    public int nextDigit()
    {
        int a;
        a=anInteger%10;
        anInteger=anInteger/10;
        return a;
    }
}

======================================================================================

import java.util.Scanner;
public class DigitPrinter
{
    public static void main(String args[])
    {
        Scanner a=new Scanner(System.in);
        int b=a.nextInt();
        int i;
        DigitExtractor ob=new DigitExtractor(b);
        for(i=1;i<=5;i++)
        {
            System.out.println(ob.nextDigit());
        }
    }
}

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