Conventions.

src/main/java/com/gmail/nossr50/skills/fishing/Fishing.java

@@ -52,7 +52,7 @@ public final class Fishing {
         abstract protected int getVanillaXPBoostModifier();
     }
 
-    protected static final HashMap<Material, List<Enchantment>> enchantableCache = new HashMap<Material, List<Enchantment>>();
+    protected static final HashMap<Material, List<Enchantment>> ENCHANTABLE_CACHE = new HashMap<Material, List<Enchantment>>();
 
     public static int fishermansDietRankLevel1 = AdvancedConfig.getInstance().getFishermanDietRankChange();
     public static int fishermansDietRankLevel2 = fishermansDietRankLevel1 * 2;

src/main/java/com/gmail/nossr50/skills/fishing/FishingManager.java

@@ -436,8 +436,8 @@ public class FishingManager extends SkillManager {
     private List<Enchantment> getPossibleEnchantments(ItemStack treasureDrop) {
         Material dropType = treasureDrop.getType();
 
-        if (Fishing.enchantableCache.containsKey(dropType)) {
-            return Fishing.enchantableCache.get(dropType);
+        if (Fishing.ENCHANTABLE_CACHE.containsKey(dropType)) {
+            return Fishing.ENCHANTABLE_CACHE.get(dropType);
         }
 
         List<Enchantment> possibleEnchantments = new ArrayList<Enchantment>();
@@ -448,7 +448,7 @@ public class FishingManager extends SkillManager {
             }
         }
 
-        Fishing.enchantableCache.put(dropType, possibleEnchantments);
+        Fishing.ENCHANTABLE_CACHE.put(dropType, possibleEnchantments);
         return possibleEnchantments;
     }