Machine Problem in Java
Write a program to ask the user to give a number and then the program will convert the given number into Roman numeral equivalent.
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/**
Machine Problem in Java
Write a program to ask the user to give a number and then the
program will convert the given number into Roman numeral
equivalent.
@author Jake Rodriguez Pomperada,MAED-IT, MIT
www.jakerpomperada.com / www.jakerpomperada.blogspot.com
jakerpomperada@gmail.com
Bacolod City, Negros Occidental Philippines
January 14, 2021 Thursday 8:58 PM
*/
import java.util.*;
public class Decimal_Roman_Numeral {
private static String Convert_To_Roman_Numeral(int num) {
String[] romanCharacters = { "M", "CM", "D", "C", "XC", "L", "X", "IX", "V", "I" };
int[] romanValues = { 1000, 900, 500, 100, 90, 50, 10, 9, 5, 1 };
String result = "";
for (int i = 0; i < romanValues.length; i++) {
int numberInPlace = num / romanValues[i];
if (numberInPlace == 0) continue;
result += numberInPlace == 4 && i > 0? romanCharacters[i] + romanCharacters[i - 1]:
new String(new char[numberInPlace]).replace("\0",romanCharacters[i]);
num = num % romanValues[i];
}
return result;
}
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner sc=new Scanner(System.in);
int num=0;
System.out.println();
System.out.println("\tDecimal To Roman Numeral in Java");
System.out.println();
System.out.print("\tGive a Number : ");
num=sc.nextInt();
System.out.println();
System.out.println("\tThe Decimal Value : " + num);
System.out.println("\tRoman Numeral Value : "
+ Convert_To_Roman_Numeral(num));
System.out.println();
System.out.println("\tEnd of Program");
System.out.println("\n");
sc.close();
}
} // End of Code
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