title: Value Change Listener to JTextField
body: <p>I want to know the equivalent event same like change event in VB
  i have text box field and i would like to trigger the code once user
  made any changes, in text box values ,i need to know how to stick listener to my text box  currently am using  KeyReleased event.</p>
  
  <pre><code> private void jTsearchKeyReleased(java.awt.event.KeyEvent evt) {  
   String jtr=jTsearch.getText();
   Boolean Txtval=StringUtils.isNumeric(jtr);
    if (Txtval=false) 
     // my code will come here 
    }
    }  
  </code></pre>