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JAVA

jbutton actionlistener

button.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                System.out.println("hello world!");
            }
        });
Comment

actionListener java

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

/*in main*/
button.addActionListener(new ActionListener() {
  public void actionPerformed(ActionEvent e) {
			System.out.println('x');
  }
});
Comment

java button actionlistener

import java.awt.event.ActionListener; //For action listener
import javax.swing.*; //For JButton

// Inside of function or method
JButton button = new JButton();
button.addActionListener(e -> {
	System.out.println("Another way of writing an action listener.");
})
Comment

java actionlistener

import javax.swing.*;
import java.awt.event.*;

public class JButtonExample
{
  public static void main(String[] args) 
  {
    JFrame frame = new JFrame("ActionListener Example");
    JButton btn = new JButton("Click here");
    btn.setBounds(70,80,100,30);
    //Change button text on click
    btn.addActionListener(new ActionListener() {
       public void actionPerformed(ActionEvent ae) {
                      btn.setText("OK");
       }
    });
    frame.add(btn);
    frame.setSize(250,250);
    frame.setLayout(null);
    frame.setVisible(true);  
  }
}
Comment

actionlistener java

JButton Button = new JButton();
Button.setSize(300,300);
Button.addActionListener(new ActionListener() {
	public void actionPerformed(ActionEvent e) 
    System.out.println(BlockNumber)
  	}
});
Comment

actionlistener java

button.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                System.out.println("hello world");
            }
        });
Comment

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