swing basic program

java swing sample program

basic program in java swing

example:

import java.awt.FlowLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.SwingUtilities;
 
public class SwingExample implements Runnable  

{
    public void run()  

{
        // Create the window
        JFrame f = new JFrame ("Hello, World!");
        // Sets the behavior for when the window is closed
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        // add a label and a button
        f.getContentPane().add(new JLabel("Hello, world!"));
        f.getContentPane().add(new JButton("Press me!"));
        // Add a layout manager so that the button is not placed on top of the label
        f.getContentPane().setLayout(new FlowLayout());
        // arrange the components inside the window
        f.pack();
        //By default, the window is not visible. Make it visible.
        f.setVisible(true);
    }
 
    public static void main(String[] args) {
        SwingExample se = new SwingExample();
        // Schedules the application to be run at the correct time in the event queue.
        SwingUtilities.invokeLater(se);
    }
}