Implement `toString` for registry objects

src/main/java/net/minestom/server/entity/EntityTypeImpl.java

@@ -254,4 +254,9 @@ final class EntityTypeImpl implements EntityType {
     public @NotNull Registry.EntityEntry registry() {
         return registry;
     }
+
+    @Override
+    public String toString() {
+        return name();
+    }
 }

src/main/java/net/minestom/server/item/EnchantmentImpl.java

@@ -35,4 +35,9 @@ final class EnchantmentImpl implements Enchantment {
     public @NotNull Registry.EnchantmentEntry registry() {
         return registry;
     }
+
+    @Override
+    public String toString() {
+        return name();
+    }
 }

src/main/java/net/minestom/server/item/ItemMeta.java

@@ -144,6 +144,13 @@ public class ItemMeta implements TagReadable, Writeable {
         return nbt.hashCode();
     }
 
+    @Override
+    public String toString() {
+        return getClass().getSimpleName() + "{" +
+                "nbt=" + nbt +
+                '}';
+    }
+
     @Contract(value = "-> new", pure = true)
     protected @NotNull ItemMetaBuilder builder() {
         return ItemMetaBuilder.fromNBT(metaBuilder, nbt);

src/main/java/net/minestom/server/item/ItemStack.java

@@ -195,6 +195,16 @@ public final class ItemStack implements TagReadable, HoverEventSource<HoverEvent
         return result;
     }
 
+    @Override
+    public String toString() {
+        return "ItemStack{" +
+                "stackingRule=" + stackingRule +
+                ", material=" + material +
+                ", amount=" + amount +
+                ", meta=" + meta +
+                '}';
+    }
+
     @Contract(value = "_, _ -> new", pure = true)
     public <T> @NotNull ItemStack withTag(@NotNull Tag<T> tag, @Nullable T value) {
         return builder().meta(metaBuilder -> metaBuilder.set(tag, value)).build();

src/main/java/net/minestom/server/item/MaterialImpl.java

@@ -35,4 +35,9 @@ final class MaterialImpl implements Material {
     public @NotNull Registry.MaterialEntry registry() {
         return registry;
     }
+
+    @Override
+    public String toString() {
+        return name();
+    }
 }

src/main/java/net/minestom/server/particle/ParticleImpl.java

@@ -46,4 +46,9 @@ final class ParticleImpl implements Particle {
     public int id() {
         return id;
     }
+
+    @Override
+    public String toString() {
+        return name();
+    }
 }

src/main/java/net/minestom/server/potion/PotionEffectImpl.java

@@ -35,4 +35,9 @@ final class PotionEffectImpl implements PotionEffect {
     public @NotNull Registry.PotionEffectEntry registry() {
         return registry;
     }
+
+    @Override
+    public String toString() {
+        return name();
+    }
 }

src/main/java/net/minestom/server/potion/PotionTypeImpl.java

@@ -46,4 +46,9 @@ final class PotionTypeImpl implements PotionType {
     public int id() {
         return id;
     }
+
+    @Override
+    public String toString() {
+        return name();
+    }
 }

src/main/java/net/minestom/server/sound/SoundEventImpl.java

@@ -46,4 +46,9 @@ final class SoundEventImpl implements SoundEvent {
     public int id() {
         return id;
     }
+
+    @Override
+    public String toString() {
+        return name();
+    }
 }

src/main/java/net/minestom/server/statistic/StatisticTypeImpl.java

@@ -46,4 +46,9 @@ final class StatisticTypeImpl implements StatisticType {
     public int id() {
         return id;
     }
+
+    @Override
+    public String toString() {
+        return name();
+    }
 }