danepitkin commented on code in PR #37723:
URL: https://github.com/apache/arrow/pull/37723#discussion_r1434264740
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java/memory/memory-core/src/main/java/org/apache/arrow/memory/LowCostIdentityHashMap.java:
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@@ -35,7 +38,7 @@ public class LowCostIdentityHashMap<K, V extends
ValueWithKeyIncluded<K>> {
/*
* The internal data structure to hold values.
*/
- private Object[] elementData;
+ private @Nullable Object [] elementData; // elementData[index] = null;
Review Comment:
Ah, thank you. We can mark this as resolved.
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