title: Setting a Variable at Application Scope so it shared among Sessions
body: <p>I am using Struts2 with Spring plugin. I want to set a variable value which will be shared among all the different sessions. It will just be one string value but if one session changes it I want the changed value to be available to all the sessions.</p>
  
  <p>What will be the best way to do this? Code Example will be great.</p>