graddle update

2026-04-30 10:40:53 +00:00 · 2025-03-25 17:43:17 +01:00
parent eb2636bd5c
commit 670fe1328b
23 changed files with 793 additions and 0 deletions
@@ -0,0 +1,34 @@
+package me.lukasabbe.bookshelfinspector.util;
+
+import java.util.TreeMap;
+
+//https://stackoverflow.com/questions/12967896/converting-integers-to-roman-numerals-java
+public class RomanNumerals {
+    private final static TreeMap<Integer, String> map = new TreeMap<>();
+    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 static String toRoman(int number){
+        int key = map.floorKey(number);
+
+        if(number == key){
+            return map.get(number);
+        }
+
+        return map.get(key) + toRoman(number-key);
+    }
+}