Write a program that converts anumber entered in Roman numerals to decimal. Your

Question

Write a program that converts anumber entered in Roman numerals to decimal. Your program shouldconsist of a class, say,romanType. An object of typeromanType should do thefollowing:
   a. Store the number as a Romannumeral.
   b. Convert and store the number into decimalform.
   c. Print the number as a Roman numeral ordecimal number as requested by the user.
The decimal values of the Roman numerals are:
M      1000
D       500
C       100
L        50
X       10
V        5
I         1
   d. Test your program using the followingRoman numerals: MCXIV, CCCLIX, MDCLXVI. Write a program that converts anumber entered in Roman numerals to decimal. Your program shouldconsist of a class, say,romanType. An object of typeromanType should do thefollowing:    a. Store the number as a Romannumeral.    b. Convert and store the number into decimalform.    c. Print the number as a Roman numeral ordecimal number as requested by the user. The decimal values of the Roman numerals are: M      1000 D       500 C       100 L        50 X       10 V        5 I         1    d. Test your program using the followingRoman numerals: MCXIV, CCCLIX, MDCLXVI.

Explanation / Answer

Dear...    import javax.swing.JOptionPane; public class Roman { static String romanNumeral;   static int decimalNum; static char convertToDecimal; public static void main(String args[])    {      Roman demo = new Roman();     demo.convertToDecimal(decimalNum);      printRoman(romanNumeral);      printDecimal(decimalNum);    setRoman();     toString(romanNumeral);      }   public void convertToDecimal (int other) {   romanNumeral = JOptionPane.showInputDialo
     ("Enter a Roman numeral to convert to decimal." + " "+
          "Note: Roman numerals are I, V, X, L, C, D and M."+ " " +
                                   "All letters entered will be treated as capitalized.");   romanNumeral = romanNumeral.toUpperCase();    int x = 0;    do    {      convertToDecimal = romanNumeral.charAt(x);      switch(convertToDecimal)      {        case 'M':           decimalNum += 1000;          break;        case 'D':           decimalNum += 500;          break;        case 'C':           decimalNum += 100;          break;        case 'L':             decimalNum += 50;            break;       case 'X':           decimalNum += 10;          break;        case 'V':           decimalNum += 5;          break;        case 'I':            decimalNum += 1;          break;        }     x++;   } while(x<romanNumeral.length());   JOptionPane.showMessageDialog                   (null, "Roman Numeral Converted to Decimal is: " + decimalNum); }   public static void printRoman (String romanNumeral) {     System.out.println ("Roman Numeral stored is: " + romanNumeral);   }   public static void printDecimal (int decimalNum){     System.out.println ("Decimal Number stored is: " + decimalNum); } public static void setRoman () {     System.out.println("test Set Roman"); } public void Other(String temp)   {      temp = "";   } public Roman getCopy(int decimalNum)   {     Roman temp = new Roman();     Roman.decimalNum = decimalNum;     System.out.println(" temp is: " + temp);     return temp;   } public static String toString(String str)   {     if (str==romanNumeral)    System.out.println("Roman numeral " + romanNumeral +                                                           " is equal to Decimal Number " + decimalNum);    else     System.out.println("Roman numeral " + romanNumeral +                                                           " is not equal to Decimal Number " + str);     return str;   } } }

Related Questions

Navigate

• Browse (All)
• Browse W
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.