Demonstration of button events including Action, Item and Change event types : Button « Swing JFC « Java

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Java » Swing JFC » Button

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Demonstration of button events including Action, Item and Change event types


  

//A simple demonstration of button events including Action, Item and Change event types.



import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.ItemEvent;

import java.awt.event.ItemListener;



import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.event.ChangeEvent;

import javax.swing.event.ChangeListener;



public class JButtonEvents {

  public static void main(String[] args) {

    JButton jb = new JButton("Press Me");



    jb.addActionListener(new ActionListener() {

      public void actionPerformed(ActionEvent ev) {

        System.out.println("ActionEvent!");

      }

    });

    jb.addItemListener(new ItemListener() {

      public void itemStateChanged(ItemEvent ev) {

        System.out.println("ItemEvent!");

      }

    });

    jb.addChangeListener(new ChangeListener() {

      public void stateChanged(ChangeEvent ev) {

        System.out.println("ChangeEvent!");

      }

    });

    JFrame f = new JFrame();

    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    f.getContentPane().add(jb);

    f.pack();

    f.setVisible(true);

  }

}

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