JAL-2759 Replaced StringBuffer with StringBuilder; after review

diff --git a/src/jalview/datamodel/HiddenColumns.java b/src/jalview/datamodel/HiddenColumns.java
index 6677151..c666a41 100644 (file)
--- a/src/jalview/datamodel/HiddenColumns.java
+++ b/src/jalview/datamodel/HiddenColumns.java
@@ -481,7 +481,7 @@ public class HiddenColumns
         newhidden.add(new int[] { left, right });
 
         // make a string with number of gaps = length of hidden region
-        StringBuffer sb = new StringBuffer();
+        StringBuilder sb = new StringBuilder();
         for (int s = 0; s < right - left + 1; s++)
         {
           sb.append(gc);
@@ -510,7 +510,7 @@ public class HiddenColumns
    * @param al
    *          alignment to pad sequences in
    */
-  private void padGaps(StringBuffer sb, int pos, SequenceI profileseq,
+  private void padGaps(StringBuilder sb, int pos, SequenceI profileseq,
           AlignmentI al)
   {
     // loop over the sequences and pad with gaps where required
@@ -952,7 +952,7 @@ public class HiddenColumns
       {
         for (int i = 0; i < iSize; i++)
         {
-          StringBuffer visibleSeq = new StringBuffer();
+          StringBuilder visibleSeq = new StringBuilder();
 
           Iterator<int[]> blocks = new VisibleContigsIterator(start,
                   end + 1, hiddenColumns);