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Articles on Trending Technologies
Technical articles with clear explanations and examples
Set Bounds for JProgressBar in Java Swing
Use the setBounds() method to set Bounds for JProgressBar in Java Swing −JProgressBar progressBar; progressBar.setBounds(70, 50, 120, 30);The following is an example to set bounds for JProgressBar −Examplepackage my; import javax.swing.*; public class SwingDemo extends JFrame { JProgressBar progressBar; int i = 0; SwingDemo() { progressBar = new JProgressBar(0, 1000); progressBar.setBounds(70, 50, 120, 30); progressBar.setValue(0); progressBar.setStringPainted(true); add(progressBar); setSize(550, 150); setLayout(null); } public void inc() { while (i
Read MoreInsert multiple sets of values in a single statement with MySQL?
Let us first create a table −mysql> create table DemoTable ( UserId int, UserName varchar(20), UserAge int ); Query OK, 0 rows affected (0.53 sec)Insert some records in the table using insert command −mysql> insert into DemoTable(UserId,UserName,UserAge) values(100,'John',25),(101,'Larry',24),(102,'Chris',22),(103,'Carol',27); Query OK, 4 rows affected (0.16 sec) Records: 4 Duplicates: 0 Warnings: 0Display all records from the table using select statement −mysql> select *from DemoTable;This will produce the following output −+--------+----------+---------+ | UserId | UserName | UserAge | +--------+----------+---------+ | 100 | John | 25 | | 101 | Larry | 24 | | 102 | Chris | 22 | | 103 | Carol | 27 | +--------+----------+---------+ 4 rows in set (0.00 sec)
Read MoreCreate circular Progress Bar in iOS
It is very important to know how to create a circular progress bar for iOS developers, almost every application have this.This is mainly used in showing the downloading status, loading status or any other progress related thing.Creating Circular Progress bar may become very tedious for new programmers and they might struggle working with it.There are multiple way one can create circular progress bar. In this post we will be seeing one of the simplest and easiest way to create circular progress bar.So let’s get startedStep 1 − Open Xcode, Single View Application, name it CircularProgress.So we will be creating an ...
Read MoreHow to add components with relative X and Y Coordinates in Java?
To add components with relative X and Y coordinates, you need to set both the gridx and gridy components −GridBagConstraints constraints = new GridBagConstraints(); constraints.gridy = GridBagConstraints.RELATIVE; constraints.gridx = GridBagConstraints.RELATIVE;The following is an example to add components with relative X and Y Coordinates −Examplepackage my; import java.awt.GridBagConstraints; import java.awt.GridBagLayout; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; public class SwingDemo { public static void main(String[] args) { JFrame frame = new JFrame(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); JPanel panel = new JPanel(); panel.setLayout(new GridBagLayout()); GridBagConstraints constraints = new GridBagConstraints(); ...
Read MoreHow to set default font family for entire Android App?
This example demonstrate about How to set default font family for entire Android App.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 res/layout/activity_main.xml. Step 3 − Add the following code to src/MainActivity.javapackage app.tutorialspoint.com.sample ; import android.support.v7.app.AppCompatActivity ; import android.os.Bundle ; public class MainActivity extends AppCompatActivity { @Override protected void onCreate (Bundle savedInstanceState) { super .onCreate(savedInstanceState) ; setContentView(R.layout. activity_main ) ; } }Step 4 − ...
Read MoreHow to find a value between range in MySQL?
For this, use BETWEEN operator in MySQL. Let us first create a table −mysql> create table DemoTable -> ( -> Id int NOT NULL AUTO_INCREMENT PRIMARY KEY, -> Start int, -> End int -> ); Query OK, 0 rows affected (0.91 sec)Insert some records in the table using insert command −mysql> insert into DemoTable(Start, End) values(100, 200); Query OK, 1 row affected (0.17 sec) mysql> insert into DemoTable(Start, End) values(400, 500); Query OK, 1 row affected (0.17 sec) mysql> insert into DemoTable(Start, End) values(210, 350); Query OK, 1 row affected (0.11 sec)Display all ...
Read MoreHow to use JTextPane to style code in Java?
To style code in a TextPane component use the setText() for text and work with HTML tags. For code, use the tag. Also, do not forget to set the content type to “text/html” −JTextPane pane = new JTextPane(); pane.setContentType("text/html");If you won’t set the content type, then the output will display all these HTML tags inside the JTextPane. Now, set the code inside −pane.setText(" #include ; using namespace std; main() {cout
Read MoreHow to get current foreground activity context in Android?
This example demonstrate about How to get current foreground activity context 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 src/MyApp.javapackage app.tutorialspoint.com.sample ; import android.app.Activity ; import android.app.Application ; public class MyApp extends Application { private Activity mCurrentActivity = null; @Override public void onCreate () { super .onCreate() ; } public Activity getCurrentActivity () { return mCurrentActivity ; } public void setCurrentActivity ...
Read MoreHow to set fullscreen mode for Java Swing Application?
To set fullscreen mode for your Java Swing application, use the setFullScreenWindow() method:GraphicsDevice device = graphics.getDefaultScreenDevice(); JFrame frame = new JFrame("Fullscreen"); device.setFullScreenWindow(frame);The following is an example to set fullscreen mode for Java Swing Application:Exampleimport java.awt.Color; import java.awt.GraphicsDevice; import java.awt.GraphicsEnvironment; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; public class SwingDemo { public static void main(String[] args) { GraphicsEnvironment graphics = GraphicsEnvironment.getLocalGraphicsEnvironment(); GraphicsDevice device = graphics.getDefaultScreenDevice(); JFrame frame = new JFrame("Fullscreen"); JPanel panel = new JPanel(); JLabel label = new JLabel("", JLabel.CENTER); ...
Read MoreHow can we set Mnemonic Key Radio Button in Java?
Mnemonic key is set so that a user can use Keyboard keys to select a Radio Button. For example, a key can be set with ALT −radio2.setMnemonic(KeyEvent.VK_R);Above, we have set key ALT+R for radio2.The following is an example to set Mnemonic key radio button −package 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("Male"); JRadioButton radio2 = new JRadioButton("Female"); radio2.setMnemonic(KeyEvent.VK_R); ButtonGroup group = new ButtonGroup(); ...
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