String performance and maintenability

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

diff --git a/opendaylight/md-sal/sal-clustering-commons/src/test/java/org/opendaylight/controller/cluster/datastore/node/utils/stream/ValueTypesTest.java b/opendaylight/md-sal/sal-clustering-commons/src/test/java/org/opendaylight/controller/cluster/datastore/node/utils/stream/ValueTypesTest.java
index 34b542105738617db80c412ee5a1ff57e5da0461..0395e94ee822cd6ca47e0f8dfbd66f7aaf53a7dd 100644 (file)
--- a/opendaylight/md-sal/sal-clustering-commons/src/test/java/org/opendaylight/controller/cluster/datastore/node/utils/stream/ValueTypesTest.java
+++ b/opendaylight/md-sal/sal-clustering-commons/src/test/java/org/opendaylight/controller/cluster/datastore/node/utils/stream/ValueTypesTest.java
@@ -22,12 +22,10 @@ public class ValueTypesTest {
 
     private static String largeString(int minSize) {
         final int pow = (int) (Math.log(minSize * 2) / Math.log(2));
-        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();
     }
 }