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

0 vote162 views1 answer
Fab to CircularRevealFrameLayout example
Java
0 vote153 views1 answer
Separateur JMenu swing java
Java
0 vote193 views1 answer
Spring boot swagger ui 401
Java Spring
0 vote178 views1 answer
How to code the overdraft limit in Java
Java
3 votes156 views1 answer
Fibunacci java
Java
1 vote200 views1 answer
Java execute funtions at same time
Java
1 vote172 views1 answer
Sort array<entry> float android studio
Java
2 votes223 views1 answer
Taking date as input in java
Java
0 vote214 views2 answers
Material design implement full screen dialog android java
Java
0 vote188 views1 answer
Similar thing as pair in c++ in java
Java