question: 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 ) { } }
target:  Tears down the fixture, for example, close a network connection. This method is called after a test is executed.