diff --git a/apps/test/distributed-primitives/src/main/java/org/onosproject/distributedprimitives/cli/SetTestAddCommand.java b/apps/test/distributed-primitives/src/main/java/org/onosproject/distributedprimitives/cli/SetTestAddCommand.java
index 0ccc2d3..204471c 100644
--- a/apps/test/distributed-primitives/src/main/java/org/onosproject/distributedprimitives/cli/SetTestAddCommand.java
+++ b/apps/test/distributed-primitives/src/main/java/org/onosproject/distributedprimitives/cli/SetTestAddCommand.java
@@ -44,7 +44,7 @@
     String[] values = null;
 
     Set<String> set;
-    Set<String> toAdd = new HashSet<String>();
+    Set<String> toAdd = new HashSet<>();
 
 
     Serializer serializer = Serializer.using(
diff --git a/apps/test/distributed-primitives/src/main/java/org/onosproject/distributedprimitives/cli/SetTestGetCommand.java b/apps/test/distributed-primitives/src/main/java/org/onosproject/distributedprimitives/cli/SetTestGetCommand.java
index 0877e6f..fb36a06 100644
--- a/apps/test/distributed-primitives/src/main/java/org/onosproject/distributedprimitives/cli/SetTestGetCommand.java
+++ b/apps/test/distributed-primitives/src/main/java/org/onosproject/distributedprimitives/cli/SetTestGetCommand.java
@@ -49,7 +49,7 @@
     String[] values = null;
 
     Set<String> set;
-    Set<String> toCheck = new HashSet<String>();
+    Set<String> toCheck = new HashSet<>();
     String output = "";
 
     Serializer serializer = Serializer.using(
diff --git a/apps/test/distributed-primitives/src/main/java/org/onosproject/distributedprimitives/cli/SetTestRemoveCommand.java b/apps/test/distributed-primitives/src/main/java/org/onosproject/distributedprimitives/cli/SetTestRemoveCommand.java
index 7e3a3e8..d1f81e4 100644
--- a/apps/test/distributed-primitives/src/main/java/org/onosproject/distributedprimitives/cli/SetTestRemoveCommand.java
+++ b/apps/test/distributed-primitives/src/main/java/org/onosproject/distributedprimitives/cli/SetTestRemoveCommand.java
@@ -54,7 +54,7 @@
     String[] values = null;
 
     Set<String> set;
-    Set<String> givenValues = new HashSet<String>();
+    Set<String> givenValues = new HashSet<>();
     Serializer serializer = Serializer.using(
             new KryoNamespace.Builder().register(KryoNamespaces.BASIC).build());