From 49e1a69445f8c969ec2f418a194065a907f74b45 Mon Sep 17 00:00:00 2001
From: Arne Babenhauserheide <arne_bab@web.de>
Date: Sun, 18 Feb 2024 10:01:53 +0100
Subject: [PATCH] Java 21 fix: int used as return type but integer required

---
 src/freenet/support/SortedIntSet.java | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/freenet/support/SortedIntSet.java b/src/freenet/support/SortedIntSet.java
index 883793d606c..1af4b7d57dc 100644
--- a/src/freenet/support/SortedIntSet.java
+++ b/src/freenet/support/SortedIntSet.java
@@ -48,7 +48,7 @@ public synchronized int size() {
 	 * 
 	 * @return the smallest item, or -1 if the set is empty
 	 */
-	public synchronized int getFirst() {
+	public synchronized Integer getFirst() {
 		return data.isEmpty() ? -1 : data.get(0);
 	}
 
@@ -57,7 +57,7 @@ public synchronized int getFirst() {
 	 * 
 	 * @return the largest item, or -1 if the set is empty
 	 */
-	public synchronized int getLast() {
+	public synchronized Integer getLast() {
 		return data.isEmpty() ? -1 : data.get(data.size() - 1);
 	}
 
@@ -149,7 +149,7 @@ private synchronized void push(int num, int x) {
 	 * 
 	 * @return the smallest item
 	 */
-	public int removeFirst() {
+	public Integer removeFirst() {
 		int val = getFirst();
 		remove(val);
 		return val;