Let’s say we want the last child node of a node, then use the getLastChild() method −node3.getFirstChild()Display the node’s last child on Console −System.out.println("The last child of node 3 = "+node3.getLastChild());The following is an example to get this node’s last child in a JTree −Examplepackage my; import javax.swing.JFrame; import javax.swing.JTree; ... Read More

You can use dot(.) notation for this. Let us first create a collection with documents −>db.containsTrueValueDemo.insertOne({"IsMarried":[true, false, true, true, true, true, false, true, false, false, true]}); {    "acknowledged" : true,    "insertedId" : ObjectId("5cd5039c2cba06f46efe9ef5") }Following is the query to display all documents from a collection with the help of ... Read More

This example demonstrate about How to bring up list of available notification sounds on AndroidStep 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.   ... Read More

Let us first create a collection with documents −> db.searchAnArrayDemo.insertOne({_id:1, "TechnicalDetails":[{"Language":"MongoDB"}]}); { "acknowledged" : true, "insertedId" : 1 } > db.searchAnArrayDemo.insertOne({_id:2, "TechnicalDetails":[{"Language":"MySQL"}]}); { "acknowledged" : true, "insertedId" : 2 } > db.searchAnArrayDemo.insertOne({_id:3, "TechnicalDetails":[{"Language":"MongoDB"}]}); { "acknowledged" : true, "insertedId" : 3 } > db.searchAnArrayDemo.insertOne({_id:4, "TechnicalDetails":[{"Language":"MongoDB"}]}); { "acknowledged" : true, "insertedId" : ... Read More

This example demonstrate about How to display a custom alert or a view on receiving a notification in Android.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to ... Read More

You can use map() for this. Let us first create a collection with documents −> db.deleteDemo.insertOne({"Name":"John"}); {    "acknowledged" : true,    "insertedId" : ObjectId("5cd550492cba06f46efe9f06") } > db.deleteDemo.insertOne({"Name":"Carol"}); {    "acknowledged" : true,    "insertedId" : ObjectId("5cd5504d2cba06f46efe9f07") } > db.deleteDemo.insertOne({"Name":"Sam"}); {    "acknowledged" : true,    "insertedId" : ObjectId("5cd550512cba06f46efe9f08") } ... Read More

This example demonstrate about How can I insert an EditText (for inserting text) on an Android notificationStep 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. ... Read More

To set location of a button anywhere a JFrame, use the setBounds() method. Let us first create a frame and a panel −JFrame frame = new JFrame("Demo Frame"); JPanel panel = new JPanel(); frame.getContentPane();Create a component i.e. label and set the dimensions using setBounds(). Here, you can set the location ... Read More

This example demonstrate about How to create an Android notification without the icon in the status barStep 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details tocreate a new project.Step 2 − Add the following code to res/layout/activity_main.xml. ... Read More

This example demonstrate about How to create everyday notifications at certain time in AndroidStep 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.     Step ... Read More