StringBuilder instead of StringBuffer in java.util package

[Otávio Gonçalves de Santana]

diff -r 57c1da89ae1a src/share/classes/java/util/prefs/Base64.java
--- a/src/share/classes/java/util/prefs/Base64.java Wed Apr 16 12:32:36
2014 -0700
+++ b/src/share/classes/java/util/prefs/Base64.java Mon Apr 21 20:20:57
2014 -0300
@@ -57,7 +57,7 @@
         int numFullGroups = aLen/3;
         int numBytesInPartialGroup = aLen - 3*numFullGroups;
         int resultLen = 4*((aLen + 2)/3);
-        StringBuffer result = new StringBuffer(resultLen);
+        StringBuilder result = new StringBuilder(resultLen);
         char[] intToAlpha = (alternate ? intToAltBase64 : intToBase64);

         // Translate all full groups from byte array elements to Base64
@@ -259,3 +259,4 @@
         }
     }
 }
+


diff -r 57c1da89ae1a
src/share/classes/java/util/regex/PatternSyntaxException.java
--- a/src/share/classes/java/util/regex/PatternSyntaxException.java Wed Apr
16 12:32:36 2014 -0700
+++ b/src/share/classes/java/util/regex/PatternSyntaxException.java Mon Apr
21 20:21:52 2014 -0300
@@ -105,7 +105,7 @@
      * @return  The full detail message
      */
     public String getMessage() {
-        StringBuffer sb = new StringBuffer();
+        StringBuilder sb = new StringBuilder();
         sb.append(desc);
         if (index >= 0) {
             sb.append(" near index ");
@@ -122,3 +122,4 @@
     }

 }
+


diff -r 57c1da89ae1a src/share/classes/java/util/Properties.java
--- a/src/share/classes/java/util/Properties.java Wed Apr 16 12:32:36 2014
-0700
+++ b/src/share/classes/java/util/Properties.java Mon Apr 21 20:22:44 2014
-0300
@@ -602,7 +602,7 @@
         if (bufLen < 0) {
             bufLen = Integer.MAX_VALUE;
         }
-        StringBuffer outBuffer = new StringBuffer(bufLen);
+        StringBuilder outBuffer = new StringBuilder(bufLen);

         for(int x=0; x<len; x++) {
             char aChar = theString.charAt(x);
@@ -1209,3 +1209,4 @@
         }
     }
 }
+

-- 
Atenciosamente.

Otávio Gonçalves de Santana

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