change log level in update & change type from int to double in create.

Author: MaBeuLux88

src/main/java/com/mongodb/quickstart/Create.java

@@ -39,7 +39,7 @@ private static void insertOneDocument(MongoCollection<Document> gradesCollection
 
     private static void insertManyDocuments(MongoCollection<Document> gradesCollection) {
         List<Document> grades = new ArrayList<>();
-        for (int classId = 1; classId <= 10; classId++) {
+        for (double classId = 1d; classId <= 10d; classId++) {
             grades.add(generateNewGrade(10001d, classId));
         }
 

src/main/java/com/mongodb/quickstart/Update.java

@@ -22,7 +22,7 @@
 public class Update {
 
     public static void main(String[] args) {
-        Logger.getLogger("org.mongodb.driver").setLevel(Level.ALL);
+        Logger.getLogger("org.mongodb.driver").setLevel(Level.WARNING);
         JsonWriterSettings prettyPrint = JsonWriterSettings.builder().indent(true).build();
 
         try (MongoClient mongoClient = MongoClients.create(System.getProperty("mongodb.uri"))) {