1 files changed, 4 insertions, 2 deletions
diff --git a/src/main/java/gtPlusPlus/core/util/data/ArrayUtils.java b/src/main/java/gtPlusPlus/core/util/data/ArrayUtils.java
index f0df1cb2b9..a5365011a6 100644
--- a/src/main/java/gtPlusPlus/core/util/data/ArrayUtils.java
+++ b/src/main/java/gtPlusPlus/core/util/data/ArrayUtils.java
@@ -5,6 +5,8 @@ import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 
+import javax.annotation.Nonnull;
+
 import net.minecraft.item.ItemStack;
 
 public class ArrayUtils {
@@ -21,13 +23,13 @@ public class ArrayUtils {
         return newArray;
     }
 
-    public static Object[] removeNulls(final Object[] v) {
+    public static Object[] removeNulls(@Nonnull final Object[] v) {
         List<Object> list = new ArrayList<>(Arrays.asList(v));
         list.removeAll(Collections.singleton(null));
         return list.toArray(new Object[0]);
     }
 
-    public static ItemStack[] removeNulls(final ItemStack[] v) {
+    public static ItemStack[] removeNulls(@Nonnull final ItemStack[] v) {
         List<ItemStack> list = new ArrayList<>(Arrays.asList(v));
         list.removeAll(Collections.singleton((ItemStack) null));
         return list.toArray(new ItemStack[0]);