From eae4fc04191fb5e3c0e86b45d42b67b837efc6ce Mon Sep 17 00:00:00 2001
From: bpb <unknown>
Date: Wed, 2 Oct 2019 07:50:06 -0700
Subject: [PATCH] 8229022: BufferedReader performance can be improved by using
 StringBuilder Reviewed-by: igerasim, vtewari, dfuchs

---
 src/share/classes/java/io/BufferedReader.java | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/share/classes/java/io/BufferedReader.java b/src/share/classes/java/io/BufferedReader.java
index ee9f66a42..16b82e024 100644
--- a/src/share/classes/java/io/BufferedReader.java
+++ b/src/share/classes/java/io/BufferedReader.java
@@ -310,7 +310,7 @@ public class BufferedReader extends Reader {
      * @exception  IOException  If an I/O error occurs
      */
     String readLine(boolean ignoreLF) throws IOException {
-        StringBuffer s = null;
+        StringBuilder s = null;
         int startChar;
 
         synchronized (lock) {
@@ -366,7 +366,7 @@ public class BufferedReader extends Reader {
                 }
 
                 if (s == null)
-                    s = new StringBuffer(defaultExpectedLineLength);
+                    s = new StringBuilder(defaultExpectedLineLength);
                 s.append(cb, startChar, i - startChar);
             }
         }
-- 
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