Drop unneeded generic type specifiers

[yangtools.git] / common / util / src / main / java / org / opendaylight / yangtools / util / UnmodifiableCollection.java

diff --git a/common/util/src/main/java/org/opendaylight/yangtools/util/UnmodifiableCollection.java b/common/util/src/main/java/org/opendaylight/yangtools/util/UnmodifiableCollection.java
index dc090a4c5bb90dd9f4f18e9cfa2980c340072470..ca6415f0e31b928c9f5d6ef11b5472262dc87ef0 100644 (file)
--- a/common/util/src/main/java/org/opendaylight/yangtools/util/UnmodifiableCollection.java
+++ b/common/util/src/main/java/org/opendaylight/yangtools/util/UnmodifiableCollection.java
@@ -37,7 +37,7 @@ public final class UnmodifiableCollection<E> implements Collection<E>, Serializa
     private static final Collection<Class<?>> SINGLETON_CLASSES;
 
     static {
-        UNMODIFIABLE_COLLECTION_CLASS = Collections.unmodifiableCollection(new ArrayList<Object>()).getClass();
+        UNMODIFIABLE_COLLECTION_CLASS = Collections.unmodifiableCollection(new ArrayList<>()).getClass();
 
         final Builder<Class<?>> b = ImmutableSet.builder();
         b.add(Collections.singleton(null).getClass());
@@ -136,8 +136,6 @@ public final class UnmodifiableCollection<E> implements Collection<E>, Serializa
 
     @Override
     public String toString() {
-        final StringBuffer sb = new StringBuffer("UnmodifiableCollection{");
-        sb.append(delegate);
-        return sb.toString();
+        return "UnmodifiableCollection{" + delegate + "}";
     }
 }