title: How to - Java Thread Accessing Other Thread (SWING)
body: <p>Regarding the problem, </p>
  
  <p>when i start a thread from the main application, lets say process A runs in background and updates a text box outside of the thread saying it's running and completed when it has stop running. </p>
  
  <p>How do i write the code which updates the textbox outside the thread from within the running thread ?</p>