Resolve "prettier configuration and hooks"

Closes #7 (closed)

romanNumerals/src/main/java/fr/ippon/kata/roman/Numerals.java

@@ -4,11 +4,9 @@ import java.util.NavigableMap;
 import java.util.TreeMap;
 
 public final class Numerals {
-
   private static final NavigableMap<Integer, Roman> CONVERSIONS = buildConversions();
 
-  private Numerals() {
-  }
+  private Numerals() {}
 
   public static String toRoman(int arabic) {
     if (arabic <= 0) {
@@ -17,11 +15,9 @@ public final class Numerals {
 
     Integer highestKnownConversion = CONVERSIONS.floorKey(arabic);
 
-    String highestKnownRepresentation = CONVERSIONS.get(highestKnownConversion)
-        .getRepresentation();
+    String highestKnownRepresentation = CONVERSIONS.get(highestKnownConversion).getRepresentation();
 
-    return highestKnownRepresentation
-        + toRoman(arabic - highestKnownConversion);
+    return (highestKnownRepresentation + toRoman(arabic - highestKnownConversion));
   }
 
   private static NavigableMap<Integer, Roman> buildConversions() {
@@ -34,6 +30,5 @@ public final class Numerals {
     conversions.put(10, Roman.TEN);
 
     return conversions;
-
   }
 }