From 627f48958a00c5ea876ecf17fbe87580c48e179b Mon Sep 17 00:00:00 2001
From: Tilman Hausherr <tilman@apache.org>
Date: Mon, 3 Feb 2025 13:26:53 +0000
Subject: [PATCH] PDFBOX-5660: replace lambda with method reference

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1923525 13f79535-47bb-0310-9956-ffa450edef68
---
 pdfbox/src/main/java/org/apache/pdfbox/pdfwriter/COSWriter.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pdfbox/src/main/java/org/apache/pdfbox/pdfwriter/COSWriter.java b/pdfbox/src/main/java/org/apache/pdfbox/pdfwriter/COSWriter.java
index 26e5a2d5f7d..7c6ed2d31b1 100644
--- a/pdfbox/src/main/java/org/apache/pdfbox/pdfwriter/COSWriter.java
+++ b/pdfbox/src/main/java/org/apache/pdfbox/pdfwriter/COSWriter.java
@@ -803,7 +803,7 @@ private void doWriteXRefTable() throws IOException
     private void fillGapsWithFreeEntries()
     {
         List<NormalXReference> normalXReferences = getXRefEntries().stream() //
-                .filter(e -> e instanceof NormalXReference) //
+                .filter(NormalXReference.class::isInstance) //
                 .map(NormalXReference.class::cast) //
                 .sorted() //
                 .collect(Collectors.toList());