JAVA - How check if client is reachable - ping to client

String sText = "";
try {

  /* prepare IP address */
      
  String ipAddress = "10.26.1.3";
  InetAddress inet = InetAddress.getByName( ipAddress );

  /* check ping (timeout=1000 ms) */

  if ( inet.isReachable( 1000 ) ) 
    sText = "Client is reachable";
  else
    sText = "Client isn`t reachable";     
      
} catch( UnknownHostException ex ) {
  Logger.getLogger( FXMLMainController.class.getName() ).log( Level.SEVERE, null, ex );
} catch( IOException ex ) {
  Logger.getLogger( FXMLMainController.class.getName() ).log( Level.SEVERE, null, ex );
}
    
memo.setText( sText );