Add missing final, fix codacy issues

Author: mziccard

gcloud-java-compute/src/main/java/com/google/gcloud/compute/Address.java

@@ -172,8 +172,8 @@ public final int hashCode() {
     return Objects.hash(super.hashCode(), options);
   }
 
-  private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
-    in.defaultReadObject();
+  private void readObject(ObjectInputStream input) throws IOException, ClassNotFoundException {
+    input.defaultReadObject();
     this.compute = options.service();
   }
 

gcloud-java-compute/src/main/java/com/google/gcloud/compute/Compute.java

@@ -1668,7 +1668,7 @@ public static SnapshotListOption fields(SnapshotField... fields) {
   Snapshot getSnapshot(String snapshot, SnapshotOption... options);
 
   /**
-   * Lists all snapshots.
+   * Lists snapshots.
    *
    * @throws ComputeException upon failure
    */

gcloud-java-compute/src/main/java/com/google/gcloud/compute/ComputeImpl.java

@@ -1007,7 +1007,6 @@ public Snapshot apply(com.google.api.services.compute.model.Snapshot snapshot) {
   @Override
   public Operation deleteSnapshot(SnapshotId snapshot, OperationOption... options) {
     return deleteSnapshot(snapshot.snapshot(), options);
-
   }
 
   @Override

gcloud-java-compute/src/main/java/com/google/gcloud/compute/Operation.java

@@ -792,8 +792,8 @@ com.google.api.services.compute.model.Operation toPb() {
     return operationPb;
   }
 
-  private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
-    in.defaultReadObject();
+  private void readObject(ObjectInputStream input) throws IOException, ClassNotFoundException {
+    input.defaultReadObject();
     this.compute = options.service();
   }
 

gcloud-java-compute/src/main/java/com/google/gcloud/compute/Snapshot.java

@@ -199,8 +199,8 @@ public final int hashCode() {
     return Objects.hash(super.hashCode(), options);
   }
 
-  private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
-    in.defaultReadObject();
+  private void readObject(ObjectInputStream input) throws IOException, ClassNotFoundException {
+    input.defaultReadObject();
     this.compute = options.service();
   }
 

gcloud-java-compute/src/test/java/com/google/gcloud/compute/AddressTest.java

@@ -57,8 +57,8 @@ public class AddressTest {
   private static final AddressInfo.RegionForwardingUsage REGION_FORWARDING_USAGE =
       new AddressInfo.RegionForwardingUsage(REGION_FORWARDING_RULES);
 
-  private Compute serviceMockReturnsOptions = createStrictMock(Compute.class);
-  private ComputeOptions mockOptions = createMock(ComputeOptions.class);
+  private final Compute serviceMockReturnsOptions = createStrictMock(Compute.class);
+  private final ComputeOptions mockOptions = createMock(ComputeOptions.class);
   private Compute compute;
   private Address globalForwardingAddress;
   private Address instanceAddress;

gcloud-java-compute/src/test/java/com/google/gcloud/compute/OperationTest.java

@@ -76,8 +76,8 @@ public class OperationTest {
   private static final RegionOperationId REGION_OPERATION_ID =
       RegionOperationId.of("project", "region", "op");
 
-  private Compute serviceMockReturnsOptions = createStrictMock(Compute.class);
-  private ComputeOptions mockOptions = createMock(ComputeOptions.class);
+  private final Compute serviceMockReturnsOptions = createStrictMock(Compute.class);
+  private final ComputeOptions mockOptions = createMock(ComputeOptions.class);
   private Compute compute;
   private Operation globalOperation;
   private Operation regionOperation;

gcloud-java-compute/src/test/java/com/google/gcloud/compute/SnapshotTest.java

@@ -49,8 +49,8 @@ public class SnapshotTest {
   private static final SnapshotInfo.StorageBytesStatus STORAGE_BYTES_STATUS =
       SnapshotInfo.StorageBytesStatus.UP_TO_DATE;
 
-  private Compute serviceMockReturnsOptions = createStrictMock(Compute.class);
-  private ComputeOptions mockOptions = createMock(ComputeOptions.class);
+  private final Compute serviceMockReturnsOptions = createStrictMock(Compute.class);
+  private final ComputeOptions mockOptions = createMock(ComputeOptions.class);
   private Compute compute;
   private Snapshot snapshot;
   private Snapshot expectedSnapshot;