minor cleanup

java-mongodb/src/main/java/com/baeldung/MongoExample.java

@@ -7,47 +7,47 @@ import com.mongodb.DBCursor;
 import com.mongodb.MongoClient;
 
 public class MongoExample {
-    public static void main( String[] args ) {
-        
-    	MongoClient mongoClient = new MongoClient("localhost", 27017);
-    	
-    	DB database = mongoClient.getDB("myMongoDb");
-    	
-    	// print existing databases
-    	mongoClient.getDatabaseNames().forEach(System.out::println);
-    	
-    	database.createCollection("customers", null);
-    	
-    	// print all collections in customers database
-    	database.getCollectionNames().forEach(System.out::println);
-    	
-    	// create data
-    	DBCollection collection = database.getCollection("customers");
-    	BasicDBObject document = new BasicDBObject();
-    	document.put("name", "Shubham");
-    	document.put("company", "Baeldung");
-    	collection.insert(document);
-    	
-    	// update data
-    	BasicDBObject query = new BasicDBObject();
-    	query.put("name", "Shubham");
-    	BasicDBObject newDocument = new BasicDBObject();
-    	newDocument.put("name", "John");
-    	BasicDBObject updateObject = new BasicDBObject();
-    	updateObject.put("$set", newDocument);
-    	collection.update(query, updateObject);
-    	
-    	// read data
-    	BasicDBObject searchQuery = new BasicDBObject();
-    	searchQuery.put("name", "John");
-    	DBCursor cursor = collection.find(searchQuery);
-    	while (cursor.hasNext()) {
-    	  System.out.println(cursor.next());
-    	}
-    	
-    	// delete data
-    	BasicDBObject deleteQuery = new BasicDBObject();
-    	deleteQuery.put("name", "John");
-    	collection.remove(deleteQuery);
+    public static void main(String[] args) {
+
+        MongoClient mongoClient = new MongoClient("localhost", 27017);
+
+        DB database = mongoClient.getDB("myMongoDb");
+
+        // print existing databases
+        mongoClient.getDatabaseNames().forEach(System.out::println);
+
+        database.createCollection("customers", null);
+
+        // print all collections in customers database
+        database.getCollectionNames().forEach(System.out::println);
+
+        // create data
+        DBCollection collection = database.getCollection("customers");
+        BasicDBObject document = new BasicDBObject();
+        document.put("name", "Shubham");
+        document.put("company", "Baeldung");
+        collection.insert(document);
+
+        // update data
+        BasicDBObject query = new BasicDBObject();
+        query.put("name", "Shubham");
+        BasicDBObject newDocument = new BasicDBObject();
+        newDocument.put("name", "John");
+        BasicDBObject updateObject = new BasicDBObject();
+        updateObject.put("$set", newDocument);
+        collection.update(query, updateObject);
+
+        // read data
+        BasicDBObject searchQuery = new BasicDBObject();
+        searchQuery.put("name", "John");
+        DBCursor cursor = collection.find(searchQuery);
+        while (cursor.hasNext()) {
+            System.out.println(cursor.next());
+        }
+
+        // delete data
+        BasicDBObject deleteQuery = new BasicDBObject();
+        deleteQuery.put("name", "John");
+        collection.remove(deleteQuery);
     }
 }