Fix inefficient String buffering

[yangtools.git] / yang / yang-data-impl / src / main / java / org / opendaylight / yangtools / yang / data / impl / leafref / QNamePredicateImpl.java

diff --git a/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/leafref/QNamePredicateImpl.java b/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/leafref/QNamePredicateImpl.java
index 6607475acef361a2bb83313a02994fc5219eda6d..4bfb861f2bdb303e386507a9925a3807f7285479 100644 (file)
--- a/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/leafref/QNamePredicateImpl.java
+++ b/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/leafref/QNamePredicateImpl.java
@@ -37,7 +37,7 @@ class QNamePredicateImpl implements Immutable, Serializable,
     @Override
     public String toString() {
         final StringBuilder sb = new StringBuilder();
-        sb.append("[");
+        sb.append('[');
 
         sb.append(identifier);
         sb.append("=current()");
@@ -46,10 +46,10 @@ class QNamePredicateImpl implements Immutable, Serializable,
                 .getPathFromRoot();
 
         for (final QNameWithPredicate qName : pathFromRoot) {
-            sb.append("/" + qName);
+            sb.append('/').append(qName);
         }
 
-        sb.append("]");
+        sb.append(']');
         return sb.toString();
     }