Use diamond operator

Change-Id: Ief0dabe762acb740476eba5eb033dcfce76426b2
diff --git a/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/config/SegmentRouterConfig.java b/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/config/SegmentRouterConfig.java
index dd5c4d6..c8d4a54 100644
--- a/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/config/SegmentRouterConfig.java
+++ b/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/config/SegmentRouterConfig.java
@@ -67,9 +67,9 @@
         this.setLongitude(swc.getLongitude());
         this.setParams(swc.getParams());
         this.setAllowed(swc.isAllowed());
-        publishAttributes = new ConcurrentHashMap<String, String>();
-        adjacencySids = new ArrayList<AdjacencySid>();
-        subnets = new ArrayList<Subnet>();
+        publishAttributes = new ConcurrentHashMap<>();
+        adjacencySids = new ArrayList<>();
+        subnets = new ArrayList<>();
         parseParams();
         validateParams();
         setPublishAttributes();
@@ -282,7 +282,7 @@
                 } else if (fe.getKey().equals("ports")) {
                     if (fe.getValue().isArray()) {
                         Iterator<JsonNode> i = fe.getValue().elements();
-                        ports = new ArrayList<Integer>();
+                        ports = new ArrayList<>();
                         while (i.hasNext()) {
                             ports.add(i.next().asInt());
                         }