Chapter 5, Problem 20E

Explanation of Solution

Program:

//definition of "Main" class

class Main

{

    //definition of main method

    public static void main(String[] args)

    {

        //call the method and display the output

System.out.println("The digit range is: " + digitRange(68437));

    }

    //definition of "digitRange" method

    public static int digitRange(int n)

    {

        //get the absolute value

        n = Math.abs(n);

        //calculate "min" value

        int min = n % 10;

        //calculate "max" value

        int max = n % 10;

        //check "n" is not equal to 0

        while (n != 0)

        {

            //calculate "digit" value

            int digit = n % 10;

            //call the "Math...