add sortChildren

[jSite2.git] / src / net / pterodactylus / util / data / Tree.java

diff --git a/src/net/pterodactylus/util/data/Tree.java b/src/net/pterodactylus/util/data/Tree.java
index 5cbb990..634b8f7 100644 (file)
--- a/src/net/pterodactylus/util/data/Tree.java
+++ b/src/net/pterodactylus/util/data/Tree.java
@@ -27,7 +27,7 @@ package net.pterodactylus.util.data;
  * @param <E>
  *            The type of the element to store
  */
-public class Tree<E> {
+public class Tree<E extends Comparable<E>> {
 
        /** The root node of the tree. */
        private final Node<E> rootNode = new NodeImpl<E>();