run command

Author: rachel-mack

source/command.txt

@@ -61,7 +61,7 @@ Additional Information
 API Documentation
 ~~~~~~~~~~~~~~~~~
 
-For additional information on the classes and methods used to run database commands, see the following API documentation:
+For additional information on the method used to run database commands, see the following API documentation:
 
 - `runCommand() <{+api+}/apidocs/mongodb-driver-sync/com/mongodb/client/MongoDatabase.html#runCommand(org.bson.conversions.Bson)>`__ 
 

source/crud/read-operations/count.txt

@@ -11,9 +11,10 @@ Count Documents
    :depth: 2
    :class: singlecol
 
-In this guide, you can learn how to count documents in your MongoDB
-database collection. There are two instance methods in the ``MongoCollection``
-class that you can call to count the number of documents in a collection:
+In this guide, you can learn how to count the number of documents in your
+MongoDB database collections. There are two instance methods in the
+``MongoCollection`` class that you can call to count the number of documents in
+a collection:
 
 - ``countDocuments()`` returns the number of documents in the collection
   that match a specified query. If you specify an empty query filter,
@@ -83,13 +84,13 @@ Both methods return the number of matching documents as a ``long`` primitive.
 Count Documents Example: Full File
 ----------------------------------
 
+.. include:: /includes/crud/example-intro.rst
+
 The following example estimates the number of documents in the
 ``movies`` collection in the ``sample_mflix`` database, and then returns
 an accurate count of the number of documents in the ``movies``
 collection with ``Canada`` in the ``countries`` field.
 
-.. include:: /includes/connect-guide-note.rst
-
 .. literalinclude:: /includes/crud/CountDocuments.java
   :language: java
 

source/includes/RunCommand.java

@@ -1,3 +1,5 @@
+// Runs a database command by using the Java driver
+
 package org.example;
 
 import org.bson.BsonDocument;

source/includes/crud/CountDocuments.java

@@ -1,4 +1,9 @@
-// Runs count operations on a collection by using the Java driver
+/**
+ * This file demonstrates how to open a change stream by using the Java driver.
+ * It connects to a MongoDB deployment, accesses the "sample_mflix" database, and listens
+ * to change events in the "movies" collection. The code uses a change stream with a pipeline
+ * to only filter for "insert" and "update" events.
+ */
 
 package usage.examples;
 

source/includes/crud/Watch.java

@@ -1,3 +1,10 @@
+/**
+ * This file demonstrates how to open a change stream by using the Java driver.
+ * It connects to a MongoDB deployment, accesses the "sample_mflix" database, and listens
+ * to change events in the "movies" collection. The code uses a change stream with a pipeline
+ * to only filter for "insert" and "update" events.
+ */
+
 package org.example;
 
 import java.util.Arrays;

source/includes/crud/WatchCompanion.java

@@ -1,3 +1,5 @@
+// Performs CRUD operations to generate change events when run with the Watch application
+
 package org.example;
 
 import org.bson.Document;