Cleanup (#15)

Author: larry-safran

codelabs/Getting_Started_with_gRPC_Java/complete/src/main/java/io/grpc/examples/routeguide/RouteGuideClient.java

@@ -30,7 +30,6 @@
 import java.io.IOException;
 import java.util.Iterator;
 import java.util.List;
-import java.util.Random;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
 import java.util.logging.Level;
@@ -44,9 +43,7 @@ public class RouteGuideClient {
 
   private final RouteGuideBlockingStub blockingStub;
 
-  private Random random = new Random();
-
-  /** Construct client for accessing RouteGuide server using the existing channel. */
+  /** Construct client stub for accessing RouteGuide server using the existing channel. */
   public RouteGuideClient(Channel channel) {
     blockingStub = RouteGuideGrpc.newBlockingStub(channel);
   }

codelabs/Getting_Started_with_gRPC_Java/complete/src/main/java/io/grpc/examples/routeguide/RouteGuideServer.java

@@ -32,14 +32,8 @@
 import io.grpc.stub.StreamObserver;
 import java.io.IOException;
 import java.net.URL;
-import java.util.ArrayList;
 import java.util.Collection;
-import java.util.Collections;
-import java.util.List;
-import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.ConcurrentMap;
 import java.util.concurrent.TimeUnit;
-import java.util.logging.Level;
 import java.util.logging.Logger;
 
 /**
@@ -104,7 +98,7 @@ private void blockUntilShutdown() throws InterruptedException {
   }
 
   /**
-   * Main method.  This comment makes the linter happy.
+   * Main method.
    */
   public static void main(String[] args) throws Exception {
     RouteGuideServer server = new RouteGuideServer(8980);
@@ -128,7 +122,7 @@ private static class RouteGuideService extends RouteGuideGrpc.RouteGuideImplBase
      * Gets the {@link Feature} at the requested {@link Point}. If no feature at that location
      * exists, an unnamed feature is returned at the provided location.
      *
-     * @param request the requested location for the feature.
+     * @param request the specified location for the feature.
      * @param responseObserver the observer that will receive the feature at the requested point.
      */
     @Override

codelabs/Getting_Started_with_gRPC_Java/start_here/src/main/java/io/grpc/examples/routeguide/RouteGuideClient.java

@@ -8,8 +8,6 @@
 import io.grpc.Status;
 import io.grpc.StatusRuntimeException;
 import io.grpc.examples.routeguide.RouteGuideGrpc.RouteGuideBlockingStub;
-import io.grpc.examples.routeguide.RouteGuideGrpc.RouteGuideStub; // For Phase 2
-import io.grpc.stub.StreamObserver; 				  // For Phase 2
 import java.io.IOException;
 import java.util.List;
 import java.util.concurrent.TimeUnit;

codelabs/Getting_Started_with_gRPC_Java/start_here/src/main/java/io/grpc/examples/routeguide/RouteGuideServer.java

@@ -98,8 +98,6 @@ public static void main(String[] args) throws Exception {
    */
   private static class RouteGuideService extends RouteGuideGrpc.RouteGuideImplBase {
     private final Collection<Feature> features;
-    private final ConcurrentMap<Point, List<RouteNote>> routeNotes =
-        new ConcurrentHashMap<Point, List<RouteNote>>();
 
     RouteGuideService(Collection<Feature> features) {
       this.features = features;