Java convert to roman numerals

import java.util.TreeMap;

public class RomanNumber {

    private final static TreeMap<Integer, String> map = new TreeMap<Integer, String>();

    static {

        map.put(1000, "M");
        map.put(900, "CM");
        map.put(500, "D");
        map.put(400, "CD");
        map.put(100, "C");
        map.put(90, "XC");
        map.put(50, "L");
        map.put(40, "XL");
        map.put(10, "X");
        map.put(9, "IX");
        map.put(5, "V");
        map.put(4, "IV");
        map.put(1, "I");

    }

    public final static String toRoman(int number) {
        int l =  map.floorKey(number);
        if ( number == l ) {
            return map.get(number);
        }
        return map.get(l) + toRoman(number-l);
    }

}

Source: stackoverflow.com

Similar codes

0 vote102 views1 answer
Java object class
Java
2 votes105 views1 answer
Encoding UTF
Java
0 vote100 views1 answer
Arrotondare un numero a 2 cifre dopo la virgola java
Java
1 vote124 views2 answers
Java long to double
Java
17 votes98 views2 answers
Stringbuilder java
Java
0 vote139 views3 answers
Java to kotlin
Java
0 vote106 views2 answers
Boolean checkbox swing
Java
40 votes108 views3 answers
From string to date
Java
0 vote93 views1 answer
Java program to find largest of three numbers using nested if
Java
0 vote104 views1 answer
Jax-RS PUT annotation
Java