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Let us first create a component −JLabel label1; label1 = new JLabel("Id", SwingConstants.CENTER); Now, set the tooltip for the above component − label1.setToolTipText("Enter Id");ExampleThe following is an example to add a tooltip to a component in Java −package my; import java.awt.GraphicsEnvironment; import java.awt.GridLayout; import java.awt.Point; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPasswordField; import javax.swing.JTextField; import javax.swing.SwingConstants; public class SwingDemo { public static void main(String[] args) throws Exception { JFrame.setDefaultLookAndFeelDecorated(true); JFrame frame = new JFrame("Register!"); JLabel label1, label2, label3; frame.setLayout(new GridLayout(2, 2)); label1 = new JLabel("Id", ... Read More
To set the titled justification of the titled border, use the setTitleJustification() method. The following is an example to set the title justification of the titled border −Examplepackage my; import java.awt.BorderLayout; import java.awt.Color; import java.awt.Container; import javax.swing.BorderFactory; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.border.LineBorder; import javax.swing.border.TitledBorder; public class SwingDemo { public static void main(String args[]) { JFrame frame = new JFrame("Demo"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); LineBorder linedBorder = new LineBorder(Color.YELLOW); TitledBorder titledBorder = BorderFactory.createTitledBorder(linedBorder, "Demo Title"); titledBorder.setTitleJustification(TitledBorder.LEFT); JLabel label = new JLabel(); ... Read More
The element in HTML is used to set keyboard input. Since the element deprecated now, therefore use instead.Note: The tag is not supported in HTML.Let us now see an example to implement the tag in HTML−Example Live Demo Shortcut Keys Use the following shortcut keys: Cut: CTRL+X Copy: CTRL+C Paste: CTRL+V Undo: CTRL+Z OutputIn the above example, we have set the shortcut keys using the element−Paste: CTRL+VWe have set one of the shortcut for pasting text as shown above −CTRL + V
For concatenating a string field, use CONCAT() function. Let us first create a table −mysql> create table DemoTable -> ( -> SequenceId int NOT NULL AUTO_INCREMENT PRIMARY KEY, -> StudentId varchar(100) -> ); Query OK, 0 rows affected (0.59 sec)Insert some records in the table using insert command −mysql> insert into DemoTable(StudentId) values('STU'); Query OK, 1 row affected (0.14 sec) mysql> insert into DemoTable(StudentId) values('STU1'); Query OK, 1 row affected (0.18 sec)Display all records from the table using select statement −mysql> select *from DemoTable;Output+------------+-----------+ | SequenceId | StudentId | +------------+-----------+ | 1 ... Read More
Here we will see one problem, where we will add two n digit numbers but the carry will not be propagated. We can understand this concept through an example −So we can see that here only digits are getting added and answer is placed. Here is one trick. We have to scan the numbers from right to left. So the sum of 3+2 = 6 will be calculated first, but it will be placed at the end. So we will use stack to store intermediate results.AlgorithmnoPropagateCarry(a, b)begin size = max of length of a and length of b ... Read More
In this section, we are going to learn how to find permutation and combination of a given sequence using python programming language.One of the key advantage of python over other programming language is that it comes with huge set of libraries with it.We are going to use python inbuilt package to find permutation and combinations of a given sequence.Algorithm to find the Permutation and combinationStep 1 : Import required package. First step is to import the required package, as we are going to use itertools package, so we just import it using.>>> import itertools >>>Step 2: Get all permutation & combination ... Read More
The following is an example to create JRadioButton from text −Examplepackage my; import java.awt.FlowLayout; import java.awt.event.KeyEvent; import javax.swing.ButtonGroup; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JRadioButton; public class SwingDemo { public static void main(String[] args) { JRadioButton radio1 = new JRadioButton("Cricket"); JRadioButton radio2 = new JRadioButton("Football"); ButtonGroup group = new ButtonGroup(); group.add(radio1); group.add(radio2); radio1.setSelected(true); JFrame frame = new JFrame(); frame.setLayout(new FlowLayout()); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.add(new JLabel("Fav Sports:")); frame.add(radio1); ... 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. Step 3 − Add the following code to src/MainActivity.package app.tutorialspoint.com.notifyme ; import android.app.Activity ; import android.app.NotificationChannel ; import android.app.NotificationManager ; import android.content.Intent ; import android.media.RingtoneManager ; import android.net.Uri ; import android.os.Bundle ; import android.support.annotation. Nullable ; import android.support.v4.app.NotificationCompat ; import android.support.v7.app.AppCompatActivity ; import android.view.View ; public class ... Read More
You can use $set operator along with update(). Let us first create a collection with documents −> db.workingOfUpdateMethod.insertOne({"ClientCountryName" : "AUS"}); { "acknowledged" : true, "insertedId" : ObjectId("5cd506fe2cba06f46efe9efa") } > db.workingOfUpdateMethod.insertOne({"ClientCountryName" : "AUS"}); { "acknowledged" : true, "insertedId" : ObjectId("5cd507022cba06f46efe9efb") } > db.workingOfUpdateMethod.insertOne({"ClientCountryName" : "AUS"}); { "acknowledged" : true, "insertedId" : ObjectId("5cd507022cba06f46efe9efc") } > db.workingOfUpdateMethod.insertOne({"ClientCountryName" : "AUS"}); { "acknowledged" : true, "insertedId" : ObjectId("5cd507032cba06f46efe9efd") }Following is the query to display all documents from a collection with the help of find() method −> db.workingOfUpdateMethod.find().pretty();This will produce the following output −{ "_id" : ObjectId("5cd506fe2cba06f46efe9efa"), "ClientCountryName" ... Read More
Let us create DefaultTableModel −DefaultTableModel tableModel = new DefaultTableModel();Now, set the model to JTable −JTable table = new JTable(tableModel);Add a column −tableModel.addColumn("Languages");Now, we will add rows to our table −tableModel.insertRow(0, new Object[] { "CSS" }); tableModel.insertRow(0, new Object[] { "HTML5" });The following is an example to create DefaultTableModel −Examplepackage my; import javax.swing.JFrame; import javax.swing.JScrollPane; import javax.swing.JTable; import javax.swing.table.DefaultTableModel; public class SwingDemo { public static void main(String[] argv) throws Exception { DefaultTableModel tableModel = new DefaultTableModel(); JTable table = new JTable(tableModel); tableModel.addColumn("Languages"); tableModel.insertRow(0, new Object[] { "CSS" }); ... Read More