--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/fschmidt/util/java/WeakList.java	Sun Oct 05 17:24:15 2025 -0600
@@ -0,0 +1,69 @@
+/*
+Copyright (c) 2008  Franklin Schmidt <fschmidt@gmail.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+package fschmidt.util.java;
+
+import java.util.List;
+import java.util.AbstractList;
+import java.util.ArrayList;
+import java.lang.ref.WeakReference;
+
+
+public final class WeakList<E> extends AbstractList<E> {
+	private List<WeakReference<E>> list = new ArrayList<WeakReference<E>>();
+
+	public void removeNulls() {
+		while( remove(null) );
+	}
+
+	public int size() {
+		return list.size();
+	}
+
+	public E get(int index) {
+		WeakReference<E> ref = list.get(index);
+		return ref==null ? null : ref.get();
+	}
+
+	public E set(int index,E element) {
+		WeakReference<E> ref = list.set(index,new WeakReference<E>(element));
+		return ref==null ? null : ref.get();
+	}
+
+	public boolean add(E element) {
+		return list.add(new WeakReference<E>(element));
+	}
+
+	public void add(int index,E element) {
+		list.add(index,new WeakReference<E>(element));
+	}
+
+	public E remove(int index) {
+		WeakReference<E> ref = list.remove(index);
+		return ref==null ? null : ref.get();
+	}
+
+	public <T> T[] toArray(T[] a) {
+		removeNulls();
+		return super.toArray(a);
+	}
+}