Win a copy of React Cookbook: Recipes for Mastering the React Framework this week in the HTML Pages with CSS and JavaScript forum!
  • Post Reply Bookmark Topic Watch Topic
  • New Topic
programming forums Java Mobile Certification Databases Caching Books Engineering Micro Controllers OS Languages Paradigms IDEs Build Tools Frameworks Application Servers Open Source This Site Careers Other Pie Elite all forums
this forum made possible by our volunteer staff, including ...
Marshals:
  • Campbell Ritchie
  • Ron McLeod
  • Paul Clapham
  • Rob Spoor
  • Liutauras Vilda
Sheriffs:
  • Jeanne Boyarsky
  • Junilu Lacar
  • Tim Cooke
Saloon Keepers:
  • Tim Holloway
  • Piet Souris
  • Stephan van Hulst
  • Tim Moores
  • Carey Brown
Bartenders:
  • Frits Walraven
  • Himai Minh

Listeners

 
Ranch Hand
Posts: 47
PHP C++ Java
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
Does event sources are registered with only one object of a listener? No new listener's object is created every time when a user clicks a button.

This program appends the string with a new incremented character when user clicks on the button.
'build' is the instance variable of the listener class. 'build' remembers its previous value and appends the new value when user clicks the button that means no new listener object is created. Only the function actionPerformed() is invoked on the same object..

Am I correct ?

 
Marshal
Posts: 73738
332
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
Yes, I think you are correct.
I quite enjoyed running your little application with abcde
 
Sagar Dabas
Ranch Hand
Posts: 47
PHP C++ Java
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
Thanks....
 
Paper beats rock. Scissors beats tiny ad.
the value of filler advertising in 2021
https://coderanch.com/t/730886/filler-advertising
reply
    Bookmark Topic Watch Topic
  • New Topic