java - Value Change Listener to JTextField -

java - Value Change Listener to JTextField -

i want know equivalent event same alter event in vb have text box field , trigger code 1 time user made changes, in text box values ,i need know how stick listener text box using keyreleased event.

private void jtsearchkeyreleased(java.awt.event.keyevent evt) { string jtr=jtsearch.gettext(); boolean txtval=stringutils.isnumeric(jtr); if (txtval=false) // code come here } }

jtsearch.getdocument().adddocumentlistener(new documentlistener() { public void changedupdate(documentevent e) { //whatever want } public void removeupdate(documentevent e) { //whatever want } public void insertupdate(documentevent e) { //whatever want } } });

java jtextfield