diff --git a/core/src/main/java/org/apache/spark/util/collection/unsafe/sort/UnsafeInMemorySorter.java b/core/src/main/java/org/apache/spark/util/collection/unsafe/sort/UnsafeInMemorySorter.java
index 761ced66f78cf..ff00f8c1c7517 100644
--- a/core/src/main/java/org/apache/spark/util/collection/unsafe/sort/UnsafeInMemorySorter.java
+++ b/core/src/main/java/org/apache/spark/util/collection/unsafe/sort/UnsafeInMemorySorter.java
@@ -216,7 +216,7 @@ public void expandPointerArray(LongArray newArray) {
     if (array != null) {
       if (newArray.size() < array.size()) {
         // checkstyle.off: RegexpSinglelineJava
-        throw new SparkOutOfMemoryError("_LEGACY_ERROR_TEMP_3301", new HashMap());
+        throw new SparkOutOfMemoryError("_LEGACY_ERROR_TEMP_3301", new HashMap<>());
         // checkstyle.on: RegexpSinglelineJava
       }
       Platform.copyMemory(