Java int to roman

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

2 votes337 views1 answer
Java generic array
Java
1 vote323 views2 answers
Change image size
Java
1 vote347 views1 answer
Has integer java
Java
0 vote343 views1 answer
Video compression with java
Java
0 vote331 views1 answer
How to close a jframe in netbeans
Java
-1 vote342 views1 answer
Load contents of file into string java
Java
0 vote349 views1 answer
Keytool error: java.io.FileNotFoundException: my-release-key.keystore (Access is denied) java.io.FileNotFoundException: my-release-key.keystore (Access is denied)
Java
1 vote311 views1 answer
Java deltaTime
Java
0 vote324 views1 answer
Assert multiple junit
Java
0 vote374 views1 answer
How to minimize jframe in java
Java