From c255757e8b5a89f9ae9bc0f9719b3117ddc94c53 Mon Sep 17 00:00:00 2001
From: Project Nayuki <me@nayuki.io>
Date: Sun, 23 Aug 2026 23:01:06 +0000
Subject: [PATCH] Restricted the visibility of a field.

---
 java-fast/io/nayuki/fastqrcodegen/Memoizer.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/java-fast/io/nayuki/fastqrcodegen/Memoizer.java b/java-fast/io/nayuki/fastqrcodegen/Memoizer.java
index 34a50b7..1df5bc4 100644
--- a/java-fast/io/nayuki/fastqrcodegen/Memoizer.java
+++ b/java-fast/io/nayuki/fastqrcodegen/Memoizer.java
@@ -35,7 +35,7 @@ import java.util.function.Function;
 final class Memoizer<T,R> {
 	
 	private final Function<T,R> function;
-	Map<T,SoftReference<R>> cache = new ConcurrentHashMap<>();
+	private Map<T,SoftReference<R>> cache = new ConcurrentHashMap<>();
 	private Set<T> pending = new HashSet<>();