33 lines
985 B
Java
33 lines
985 B
Java
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package WayofTime.bloodmagic.util.helper;
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import java.util.TreeMap;
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public class NumeralHelper {
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private static final TreeMap<Integer, String> romanNumerals = new TreeMap<Integer, String>();
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static {
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romanNumerals.put(1000, "M" );
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romanNumerals.put(900 , "CM");
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romanNumerals.put(500 , "D" );
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romanNumerals.put(400 , "CD");
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romanNumerals.put(100 , "C" );
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romanNumerals.put(90 , "XC");
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romanNumerals.put(50 , "L" );
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romanNumerals.put(40 , "XL");
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romanNumerals.put(10 , "X" );
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romanNumerals.put(9 , "IX");
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romanNumerals.put(5 , "V" );
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romanNumerals.put(4 , "IV");
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romanNumerals.put(1 , "I" );
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}
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public static String toRoman(int arabic) {
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int convert = romanNumerals.floorKey(arabic);
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if (arabic == convert)
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return romanNumerals.get(convert);
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return romanNumerals.get(convert) + toRoman(arabic - convert);
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}
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}
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