diff --git a/gson/src/main/java/com/google/gson/JsonArray.java b/gson/src/main/java/com/google/gson/JsonArray.java
index 19299d14..96fe23ed 100644
--- a/gson/src/main/java/com/google/gson/JsonArray.java
+++ b/gson/src/main/java/com/google/gson/JsonArray.java
@@ -39,14 +39,21 @@ public final class JsonArray extends JsonElement implements Iterable<JsonElement
   public JsonArray() {
     elements = new ArrayList<JsonElement>();
   }
+  
+  public JsonArray(int capacity) {
+    elements = new ArrayList<JsonElement>(capacity);
+  }
 
   @Override
   JsonArray deepCopy() {
-    JsonArray result = new JsonArray();
-    for (JsonElement element : elements) {
-      result.add(element.deepCopy());
+    if (!elements.isEmpty()) {
+      JsonArray result = new JsonArray(elements.size());
+      for (JsonElement element : elements) {
+        result.add(element.deepCopy());
+      }
+      return result;
     }
-    return result;
+    return new JsonArray();
   }
 
   /**