From 79170b898a48bd6230752714f50c78ccbcf2f5e1 Mon Sep 17 00:00:00 2001
From: Paul Campbell <pcampbell@kemitix.net>
Date: Mon, 14 Mar 2016 15:40:51 +0000
Subject: [PATCH] NodeItem: initialise children set in field and make final

Signed-off-by: Paul Campbell <pcampbell@kemitix.net>
---
 src/main/java/net/kemitix/node/NodeItem.java | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/main/java/net/kemitix/node/NodeItem.java b/src/main/java/net/kemitix/node/NodeItem.java
index 0751a3e..13efcb5 100644
--- a/src/main/java/net/kemitix/node/NodeItem.java
+++ b/src/main/java/net/kemitix/node/NodeItem.java
@@ -18,7 +18,7 @@ public class NodeItem<T> implements Node<T> {
 
     private Node<T> parent;
 
-    private Set<Node<T>> children;
+    private final Set<Node<T>> children = new HashSet<>();
 
     /**
      * Creates a root node.
@@ -43,7 +43,6 @@ public class NodeItem<T> implements Node<T> {
         if (parent != null) {
             setParent(parent);
         }
-        this.children = new HashSet<>();
     }
 
     @Override