From 4b3950902bb23427ecb7186c630a077e0f853cdc Mon Sep 17 00:00:00 2001
From: Gulati <611186285@IUSER>
Date: Tue, 13 Sep 2016 12:19:13 +0530
Subject: [PATCH] Changes to toStrig method in Coordinates Class .
 StringBuilder to be used in toString Method instead of StringBuffer as it is
 not shared in more than one threads. StringBuilder gives relatively high
 performance.

---
 src/com/thoughtworks/rover/universe/Coordinates.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/com/thoughtworks/rover/universe/Coordinates.java b/src/com/thoughtworks/rover/universe/Coordinates.java
index 8df4de8..40170d9 100644
--- a/src/com/thoughtworks/rover/universe/Coordinates.java
+++ b/src/com/thoughtworks/rover/universe/Coordinates.java
@@ -16,7 +16,7 @@ public Coordinates newCoordinatesFor(final int xCoordinateStepValue, final int y
 
     @Override
     public String toString() {
-        StringBuffer coordinateOutput = new StringBuffer();
+        StringBuilder coordinateOutput = new StringBuilder();
         coordinateOutput.append(xCoordinate);
         coordinateOutput.append(" ");
         coordinateOutput.append(yCoordinate);