From 49e0e9ae69cf96eb4c13527b271c8a70a5f5f843 Mon Sep 17 00:00:00 2001
From: Simon Steiner <ssteiner@apache.org>
Date: Mon, 21 Oct 2024 10:10:54 +0100
Subject: [PATCH] Fix compile on Java 23

---
 .github/workflows/maven.yml                               | 2 +-
 .../main/java/org/apache/fop/layoutmgr/KnuthSequence.java | 8 ++++----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index a9c6e0f7e..d5e426590 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        jdk: ['8', '11', '17', '21']
+        jdk: ['8', '11', '17', '21', '23']
         os: [ubuntu-latest, windows-latest]
 
     steps:
diff --git a/fop-core/src/main/java/org/apache/fop/layoutmgr/KnuthSequence.java b/fop-core/src/main/java/org/apache/fop/layoutmgr/KnuthSequence.java
index ce85b686c..8f4a6d66c 100644
--- a/fop-core/src/main/java/org/apache/fop/layoutmgr/KnuthSequence.java
+++ b/fop-core/src/main/java/org/apache/fop/layoutmgr/KnuthSequence.java
@@ -134,20 +134,20 @@ public abstract class KnuthSequence<T extends ListElement> extends ArrayList<T>
     /**
      * @return the last element of this sequence.
      */
-    public ListElement getLast() {
+    public T getLast() {
         return (isEmpty()
                 ? null
-                : (ListElement) ListUtil.getLast(this));
+                : ListUtil.getLast(this));
     }
 
     /**
      * Remove the last element of this sequence.
      * @return the removed element.
      */
-    public ListElement removeLast() {
+    public T removeLast() {
         return (isEmpty()
                 ? null
-                : (ListElement) ListUtil.removeLast(this));
+                : ListUtil.removeLast(this));
     }
 
     /**
-- 
2.39.5