whitespace fixups

[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..ec47080 100644 (file)
--- a/src/net/pterodactylus/util/data/Tree.java
+++ b/src/net/pterodactylus/util/data/Tree.java
@@ -22,19 +22,19 @@ package net.pterodactylus.util.data;
 /**
  * A tree structure in which every node can have an arbitrary amount of
  * children.
- * 
+ *
  * @author David ‘Bombe’ Roden <bombe@freenetproject.org>
  * @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>();
 
        /**
         * Returns the root node of the tree.
-        * 
+        *
         * @return The root node of the tree
         */
        public Node<E> getRootNode() {