The max() method of the DoubleStream class returns an OptionalDouble describing the maximum element of this stream, or an empty OptionalDouble if this stream is empty.The syntax is as follows.OptionalDouble max()Here, OptionalDouble is a container object which may or may not contain a double value.To use the DoubleStream class in ... Read More

To store query result (a single document) into a variable, you can use var. Following is the syntaxvar anyVariableName=db.yourCollectionName.find().limit(1); yourVariableName; //Print the records;Let us first create a collection with documents> db.storeQueryResultDemo.insertOne({"ClientName":"Chris", "ClientAge":23}); {    "acknowledged" : true,    "insertedId" : ObjectId("5c9ecf8fd628fa4220163b8d") } > db.storeQueryResultDemo.insertOne({"ClientName":"Robert", "ClientAge":21}); {    "acknowledged" : true, ... Read More

The config object is an instantiation of javax.servlet.ServletConfig and is a direct wrapper around the ServletConfig object for the generated servlet.This object allows the JSP programmer access to the Servlet or JSP engine initialization parameters such as the paths or file locations etc.The following config method is the only one ... Read More

Before getting into example , we should know what is vertical Scroll View(Scroll View). Vertical Scroll view provide by android.widget.ScrollView class . It is used to scroll child views in vertical direction.This example demonstrate about how to use Vertical Scroll view.Step 1 − Create a new project in Android Studio, go ... Read More

In this program we will see how to subtract two 8-bit BCD numbers.Problem StatementWrite 8086 Assembly language program to subtract two 8-bit BCD number stored in memory address offset 600.DiscussionThis task is too simple. Here we are taking the numbers from memory and after adding we need to put DAS ... Read More

To find inside a hash MongoDB, you can use dot(.) notation. Let us first create a collection with documents> db.hashDemo.insertOne({"ClientName":"Larry", "ClientAge":23, "ClientDetails":{ "isEducated": true, "ClientProject" : "University Management"}}); {    "acknowledged" : true,    "insertedId" : ObjectId("5ca1ef1266324ffac2a7dc5e") } > db.hashDemo.insertOne({"ClientName":"Chris", "ClientAge":26, "ClientDetails":{ "isEducated":false, "ClientProject" : "Online Book Store"}}); {   ... Read More

Click the Below link to Know how to Upload a file Using JSPhttps://www.tutorialspoint.com/jsp/jsp_file_uploading.htm

To create Ennead Tuple from a List collection, use the fromCollection() method. Firstly, create a List like this and then create an Ennead Tuple using ListList myList = new ArrayList(); myList.add("Accessories"); myList.add("Shirt"); myList.add("Trousers"); myList.add("Furniture"); myList.add("Smart Wearable Tech"); myList.add("Smart Home Automation"); myList.add("Books"); myList.add("Stationery"); myList.add("Instrument");Let us first see what we need to ... Read More

Let us see the best way to store weekly events in MySQL. For that, first create a new table and include fields for every day as well.mysql> create table WeeklyEventDemo -> ( -> ID int NOT NULL AUTO_INCREMENT PRIMARY KEY, -> ... Read More

To fix this error, you need to specify the -p option for password.The syntax is as followsmysql -uyourUserName -pLet us implement it.First, we need to open CMD using Windows+R shortcut keys. The snapshot is as followsType CMD and press OK button. You will get a command prompt.The snapshot is as ... Read More