src/main/java/Inventory/Inventory.java

@@ -1,6 +1,5 @@
 package Inventory;
 
-import Item.Item;
 import Item.ItemStack;
 
 import java.util.ArrayList;
@@ -27,12 +26,11 @@ public class Inventory {
 
     public void addItem(ItemStack stack) {
         if (stack.getWeight() + getCurrentWeight() > maxWeight) {
-            if(stack.isSingleItem()) return;
             trySubstack(stack);
-            return;
-        }
+        } else {
             items.add(stack);
         }
+    }
 
     private void trySubstack(ItemStack stack) {
         int stackSize = getMaxStackSize(stack);

src/main/java/Shared/LootTable.java

@@ -41,6 +41,7 @@ public class LootTable<T> {
                 return entry.item();
             }
         }
+        // Unreachable code. entries always have an entry or the class cant be instantiated.
         return null;
     }