Chapter 6.4, Problem 39STQ

Program:

Modification of “set()” method in listing 6.16:

File name: Money.java

//Define the class

public class Money

{

    /*Refers the textbook of Listing 6.16*/

    //Define the set() method

  public void set(String amountString)

  {

        //Declare the required variables

        String dollarsString;

        String centsString;

/*Call trim() method to trim the leading and trailing whitespace and assign the string to "amountString" argument. */

        amountString = amountString.trim( );

/*Check whether the string index "0" is equal to "$". */

        if (amountString.charAt(0) == '$')

/*Call substring() to remove the "$" and then assign it. */

            amountString = amountString.substring(1);

/*Call trim() method to trim the leading and trailing whitespace and assign the string to "amountString" argument. */

        amountString = amountString.trim( );

        //Declare and initialize with point location

        int pointLocation = amountString.indexOf(".");

/*Check whether the point location is less than "0". */

        if (pointLocation < 0)

        {

            //Set the cents and dollars

            cents = 0;

            dollars = Long.parseLong(amountString);

        }

        //Otherwise, executes the else part

        else

        {

/*Set the dollar string by calling the substring() method. */

dollarsString = amountString.substring(0, pointLocation);

/*Set the cents string by calling the substring() method. */

centsString = amountString.substring(pointLocation + 1);

/*Check whether the cents length is less than or equal to "1". */   

            if (centsString...