From 00dc68e6c32bb0dc9d745060b0bbf08d98d3bf3d Mon Sep 17 00:00:00 2001
From: darcy <unknown>
Date: Fri, 1 Feb 2013 19:30:02 -0800
Subject: [PATCH] 6964528: Double.toHexString(double d) String manipulation
 with + in an append of StringBuilder Reviewed-by: shade

---
 src/share/classes/java/lang/Double.java | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/share/classes/java/lang/Double.java b/src/share/classes/java/lang/Double.java
index f79980f4b..9bdb0ca46 100644
--- a/src/share/classes/java/lang/Double.java
+++ b/src/share/classes/java/lang/Double.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1994, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1994, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -289,7 +289,7 @@ public final class Double extends Number implements Comparable<Double> {
             return Double.toString(d);
         else {
             // Initialized to maximum size of output.
-            StringBuffer answer = new StringBuffer(24);
+            StringBuilder answer = new StringBuilder(24);
 
             if (Math.copySign(1.0, d) == -1.0)    // value is negative,
                 answer.append("-");                  // so append sign info
@@ -300,8 +300,7 @@ public final class Double extends Number implements Comparable<Double> {
 
             if(d == 0.0) {
                 answer.append("0.0p0");
-            }
-            else {
+            } else {
                 boolean subnormal = (d < DoubleConsts.MIN_NORMAL);
 
                 // Isolate significand bits and OR in a high-order bit
@@ -324,13 +323,14 @@ public final class Double extends Number implements Comparable<Double> {
                               "0":
                               signif.replaceFirst("0{1,12}$", ""));
 
+                answer.append('p');
                 // If the value is subnormal, use the E_min exponent
                 // value for double; otherwise, extract and report d's
                 // exponent (the representation of a subnormal uses
                 // E_min -1).
-                answer.append("p" + (subnormal ?
-                               DoubleConsts.MIN_EXPONENT:
-                               Math.getExponent(d) ));
+                answer.append(subnormal ?
+                              DoubleConsts.MIN_EXPONENT:
+                              Math.getExponent(d));
             }
             return answer.toString();
         }
-- 
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