From ebc9add69a7834e87379c1809408c4a47e663ad5 Mon Sep 17 00:00:00 2001
From: Patrick Strawderman <pstrawderman@netflix.com>
Date: Fri, 5 Sep 2025 10:03:14 -0700
Subject: [PATCH] Avoid allocating empty array in LoadBalancer

Use a singleton empty Object array to initialize the customOptions default in LoadBalancer.Builder.
---
 api/src/main/java/io/grpc/LoadBalancer.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/api/src/main/java/io/grpc/LoadBalancer.java b/api/src/main/java/io/grpc/LoadBalancer.java
index d2fd8409e01..adc43b19841 100644
--- a/api/src/main/java/io/grpc/LoadBalancer.java
+++ b/api/src/main/java/io/grpc/LoadBalancer.java
@@ -855,9 +855,11 @@ public String toString() {
     @ExperimentalApi("https://github.com/grpc/grpc-java/issues/1771")
     public static final class Builder {
 
+      private static final Object[][] EMPTY_CUSTOM_OPTIONS = new Object[0][2];
+
       private List<EquivalentAddressGroup> addrs;
       private Attributes attrs = Attributes.EMPTY;
-      private Object[][] customOptions = new Object[0][2];
+      private Object[][] customOptions = EMPTY_CUSTOM_OPTIONS;
 
       Builder() {
       }