all: use Java7 brackets

2 files changed, 2 insertions, 2 deletions

diff --git a/context/src/jmh/java/io/grpc/ReadBenchmark.java b/context/src/jmh/java/io/grpc/ReadBenchmark.java
index 237aa6f8e..fa078ce79 100644
--- a/context/src/jmh/java/io/grpc/ReadBenchmark.java
+++ b/context/src/jmh/java/io/grpc/ReadBenchmark.java
@@ -34,7 +34,7 @@ public class ReadBenchmark {
   @State(Scope.Benchmark)
   public static class ContextState {
     List<Context.Key<Object>> keys = new ArrayList<Context.Key<Object>>();
-    List<Context> contexts = new ArrayList<Context>();
+    List<Context> contexts = new ArrayList<>();
 
     @Setup
     public void setup() {
diff --git a/context/src/main/java/io/grpc/Context.java b/context/src/main/java/io/grpc/Context.java
index 0e76c08e1..4df0e0f6c 100644
--- a/context/src/main/java/io/grpc/Context.java
+++ b/context/src/main/java/io/grpc/Context.java
@@ -471,7 +471,7 @@ public class Context {
           if (listeners == null) {
             // Now that we have a listener we need to listen to our parent so
             // we can cascade listener notification.
-            listeners = new ArrayList<ExecutableListener>();
+            listeners = new ArrayList<>();
             listeners.add(executableListener);
             if (cancellableAncestor != null) {
               cancellableAncestor.addListener(parentListener, DirectExecutor.INSTANCE);