String performance and maintenability

[controller.git] / opendaylight / md-sal / sal-clustering-commons / src / test / java / org / opendaylight / controller / cluster / datastore / node / utils / stream / NormalizedNodeStreamReaderWriterTest.java

diff --git a/opendaylight/md-sal/sal-clustering-commons/src/test/java/org/opendaylight/controller/cluster/datastore/node/utils/stream/NormalizedNodeStreamReaderWriterTest.java b/opendaylight/md-sal/sal-clustering-commons/src/test/java/org/opendaylight/controller/cluster/datastore/node/utils/stream/NormalizedNodeStreamReaderWriterTest.java
index 083a0497fc520a92bf93fa62c7dfac56fdc2f96a..81d97678b01762d456fb7c3a3af8d6c77203302a 100644 (file)
--- a/opendaylight/md-sal/sal-clustering-commons/src/test/java/org/opendaylight/controller/cluster/datastore/node/utils/stream/NormalizedNodeStreamReaderWriterTest.java
+++ b/opendaylight/md-sal/sal-clustering-commons/src/test/java/org/opendaylight/controller/cluster/datastore/node/utils/stream/NormalizedNodeStreamReaderWriterTest.java
@@ -229,12 +229,10 @@ public class NormalizedNodeStreamReaderWriterTest {
     }
 
     private static String largeString(final int pow) {
-        String str = "X";
+        StringBuilder sb = new StringBuilder("X");
         for (int i = 0; i < pow; i++) {
-            StringBuilder buf = new StringBuilder();
-            buf.append(str).append(str);
-            str = buf.toString();
+            sb.append(sb);
         }
-        return str;
+        return sb.toString();
     }
 }