8354826: Make ResolverConfigurationImpl.lock field final

Andrey Turbanov · Andrey Turbanov · commit 27faf4542208 · 2025-04-23T06:22:30.000Z
Reviewed-by: dfuchs, jpai
diff --git a/src/java.base/unix/classes/sun/net/dns/ResolverConfigurationImpl.java b/src/java.base/unix/classes/sun/net/dns/ResolverConfigurationImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2024, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -41,7 +41,7 @@ public final class ResolverConfigurationImpl
     extends ResolverConfiguration
 {
     // Lock helds whilst loading configuration or checking
-    private static Object lock = new Object();
+    private static final Object lock = new Object();
 
     // Time of last refresh.
     private static long lastRefresh = -1;

Original file line number	Diff line number	Diff line change
`@@ -1,5 +1,5 @@`
`1`	`1`	`/*`
`2`		`- * Copyright (c) 2002, 2024, Oracle and/or its affiliates. All rights reserved.`
	`2`	`+ * Copyright (c) 2002, 2025, Oracle and/or its affiliates. All rights reserved.`
`3`	`3`	`* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.`
`4`	`4`	`*`
`5`	`5`	`* This code is free software; you can redistribute it and/or modify it`
`@@ -41,7 +41,7 @@ public final class ResolverConfigurationImpl`
`41`	`41`	`extends ResolverConfiguration`
`42`	`42`	`{`
`43`	`43`	`// Lock helds whilst loading configuration or checking`
`44`		`- private static Object lock = new Object();`
	`44`	`+ private static final Object lock = new Object();`
`45`	`45`
`46`	`46`	`// Time of last refresh.`
`47`	`47`	`private static long lastRefresh = -1;`