From 2e0a8137bd911736ded8bda32c07203a0a97e9a6 Mon Sep 17 00:00:00 2001
From: Miguel <miguel.tsuboyama@gmail.com>
Date: Mon, 14 Aug 2017 13:01:31 -0400
Subject: [PATCH] Removed JSONTokener.back()

---
 JSONObject.java | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/JSONObject.java b/JSONObject.java
index a55ecf8..1b7b0a1 100644
--- a/JSONObject.java
+++ b/JSONObject.java
@@ -237,8 +237,7 @@ public class JSONObject {
             if (key != null) {
                 // Check if key exists
                 if (this.opt(key) != null) {
-                    // back one token to point to the last key character
-                    x.back();
+                    // key already exists
                     throw x.syntaxError("Duplicate key \"" + key + "\"");
                 }
                 // Only add value if non-null