From 67dc6202dee2ce983778ba3143cc3f00196aeb7c Mon Sep 17 00:00:00 2001
From: Cliff Click <cliffc@acm.org>
Date: Thu, 12 Sep 2024 11:13:31 -0700
Subject: Chapter 15: Arrays

Co-authored-by: XmiliaH <xmilia.hermit@gmail.com>
Co-authored-by: Thalia Archibald <thalia@archibald.dev>
Co-authored-by: Robert Obkircher <robert.obkircher@gmail.com>
---
 src/main/java/com/seaofnodes/simple/Utils.java | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

(limited to 'src/main/java/com/seaofnodes/simple/Utils.java')

diff --git a/src/main/java/com/seaofnodes/simple/Utils.java b/src/main/java/com/seaofnodes/simple/Utils.java
index f3ac25b1..1346c3ea 100644
--- a/src/main/java/com/seaofnodes/simple/Utils.java
+++ b/src/main/java/com/seaofnodes/simple/Utils.java
@@ -13,14 +13,9 @@ public class Utils {
      *  @param i element to be removed
      *  @return element removed
      */
-    public static <E> E del(ArrayList<E> array, int i) {
-        if ( i >= 0 && i < array.size() ) {
-            E tmp = array.get(i);
-            E last = array.removeLast();
-            if (i < array.size()) array.set(i, last);
-            return tmp;
-        }
-        return null;
+    public static <E> void del(ArrayList<E> array, int i) {
+        E last = array.removeLast();
+        if (i < array.size()) array.set(i, last);
     }
 
     /**
-- 
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