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 vote123 views1 answer
Nqueen problem with python
Java
9 votes111 views6 answers
Print java
Java
0 vote112 views1 answer
Java scanner class time
Java
1 vote123 views1 answer
Setting up javafx in eclipse vm argument
Java
0 vote139 views2 answers
Required a bean of type 'org.springframework.mail.javamail.JavaMailSender
Java Spring
9 votes120 views4 answers
Jquery set data attribute value
Java
0 vote117 views1 answer
UTC in Java
Java
1 vote109 views1 answer
Fabric8 create namespace
Java
0 vote129 views1 answer
Rotate Vector by an angle
Java
1 vote104 views1 answer
String to string array java
Java