Sample Code For Project 1

//Judy's code
public class DollarChanger {

    public static void main(String[] args) {
        int dollar = 57;
        int twenties = 0;
        int tens = 0;
        int fives = 0;
        int remainder= 0;
        
        if (args.length > 0) {
            //String tmp = args[0];
            //after string class introduced add one
            double temp = Double.parseDouble(args[0]);
            if(temp < 0){
                temp = (-1)*temp;
            }
            dollar = (int)temp;
        }
        
        twenties = toTwenty(dollar);
        
        remainder = dollar%20;
    
        tens = toTen(remainder);
        
        remainder = remainder%10;
        
        fives = toFive(remainder);
		
        remainder =remainder%5;
		
        String str = display(dollar, twenties, tens, fives, remainder);
        System.out.println(str);
    
    }

    public static int toTwenty(int dollar) {
        return dollar/20;
    }
    public static int toTen(int dollar) {
        return dollar/10;
    }
    public static int toFive(int dollar) {
        return dollar/5;
    }
    public static String display(int d, int t, int ten, int five, int one) {
        String msg=d + " dollars equal\n" + t + " 20\'s\n"+
                   ten + " 10\'s\n" + five + " 5\'s\n" + one + " 1\'s";
        return msg;
    }
    
}

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//Author: Kathy Gerlach
public class DollarChanger {

   public static void main(String[] args) {

//Variables 
     int twenties, tens, fivesandones, fives, ones;
     int totaldollars = 57;                    //Initialization 
     int tempamount = 57;                      //Initialization

//Convert input string to integer type
     if (args.length > 0)    {         //Test for command line value
          String convertinput=args[0];
          int tempdollars = Integer.parseInt(convertinput);
          if (tempdollars < 0)  {     //Convert negative to positive
                tempdollars = Calculator.mul(-1,tempdollars);
          }
          totaldollars = tempdollars;
    }
    
//Calculate the number of twenties 

     twenties = toTwenty(totaldollars); 

//Reduce input total by twenties amount

     tempamount = Calculator.sub(totaldollars,(Calculator.mul(twenties,20)));

//Calculate the number of tens using reduced amount

     tens = toTen(tempamount);

//Reduce input total by tens amount 

    tempamount =  Calculator.sub(tempamount,(Calculator.mul(tens,10)));

//Calculate the number of fives using reduced amount

    fives = toFive(tempamount);

//Calculate the number of ones 

      ones = tempamount % 5;

//Concantenate the results from the methods of the DollarChanger 

    String results = ("$" + totaldollars + " dollars equals" + "\n"
                          + twenties + "\t" + " $20\'s" + "\n" 
                          + tens + "\t" + " $10\'s" + "\n"
                          + fives + "\t" + " $5\'s" + "\n"
                          + ones + "\t" + " $1\'s"); 
 
//Print the results   
                   
     display(results);      
}

/*Method for toTwenty
  This method receives an integer value and returns the number
  of 20's contained in the amount received  */  

     public static int toTwenty(int amount) {
           return amount / 20;
     }                                      //end of toTwenty method

/*Method for toTen
  This method receives an integer value and returns the number
  of 10's contained in the amount received  */

     public static int toTen(int amount ) {
          return amount / 10;
     }                                     //end of toTen method

/*Method for toFive
  This method receives an integer value and returns the number
  of 5's contained in the amount received  */  

     public static int toFive(int amount) {
          return amount / 5;
     }                                   //end of toFive method

/*Method for display
  This method receives a string and prints the string received */

     public static void display(String msg) {
     System.out.println(msg);
     }                                 //end of display method
  

} //  end of class DollarChanger body 

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public class DollarChanger
{
    // Main function to control program flow
    public static void main(String[] args)
    {
        int iDollars = 57;
        int iTwenties = 0;
        int iTens = 0;
        int iFives = 0;
        int iRemainder = 0;

        // Check for command line arguments
        if (args.length > 0)
        {
            String oneArg = args[0];
            double temp = Double.parseDouble(oneArg);
            // if negative convert to positive
            if (temp < 0)
                temp *= -1;
            iDollars = (int)temp;
        }
        // call each method to convert the remaining value
        if(iDollars >= 20)
        {
            iTwenties = toTwenty(iDollars);
        }
        if((iDollars % 20) > 0)
        {
            iTens = toTen(iDollars % 20);
        }
        if((iDollars % 10) > 0)
        {
            iFives = toFive(iDollars % 10);
        }
        if((iDollars % 5) > 0)
        {
            iRemainder = (iDollars % 5);
        }
        display(iTwenties, iTens, iFives, iRemainder);
    }
    /**
    * Converts dollars to 20s
    */
    public static int toTwenty(int iDollars)
    {
        return iDollars/20;
    }
    /**
    * Converts dollars to 10s
    */
    public static int toTen(int iDollars)
    {
        return iDollars/10;
    }
    /**
    * Converts dollars to 5s
    */
    public static int toFive(int iDollars)
    {
        return iDollars/5;
    }
    /**
    * Display five quantities
    */
    public static void display(int iTwenties, int iTens, int iFives, int iRemainder)
    {
        System.out.println(iTwenties + " 20's");
        System.out.println(iTens + " 10's");
        System.out.println(iFives + " 5's");
        System.out.println(iRemainder + " 1's");
    }
}

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