protected void tearDown(){
  try {
    if (s != null)     s.close();
  }
 catch (  Exception e) {
  }
  try {
    if (ss != null)     ss.close();
  }
 catch (  Exception e) {
  }
  try {
    if (t != null)     t.interrupt();
  }
 catch (  Exception e) {
  }
}

protected void tearDown ( ) { try { if ( s != null ) s . close ( ) ; } catch ( Exception e ) { } try { if ( ss != null ) ss . close ( ) ; } catch ( Exception e ) { } try { if ( t != null ) t . interrupt ( ) ; } catch ( Exception e ) { } }
tears down the fixture , for example , close a network connection . this method is called after a test is executed .
