JButton in Java

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 In Java, a JButton is a class that represents a button component that can be added to a graphical user interface (GUI). A JButton can be used to trigger an action or event when clicked by the user.

Here is an example of creating and using a JButton in Java:

java
import javax.swing.JButton; 
import javax.swing.JFrame; 
import javax.swing.JPanel; 
public class MyButtonExample 
{ 
public static void main(String[] args) 
{ 
JFrame frame = new JFrame("My Button Example"); 
JPanel panel = new JPanel(); 
JButton button = new JButton("Click me!");
// Add the button to the panel
      panel.add(button); 
// Add the panel to the frame
      frame.add(panel); 
// Set the size of the frame and make it //visible 
 frame.setSize(300, 200);
      frame.setVisible(true); 
 } 
}

This code creates a simple GUI window with a JButton labeled "Click me!". When the user clicks the button, it does not perform any action because no action listener has been added to it. To add an action listener that listens for button clicks, you can use the addActionListener method:

less
button.addActionListener(e -> {
   // Do something when the button is clicked
});

Inside the lambda expression, you can write the code that should be executed when the button is clicked. For example, you might display a message, update a label, or perform some other action

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