question: public void dispose ( ) { keyboards . clear ( ) ; keyboards = null ; if ( logoutTimer != null ) logoutTimer . stop ( ) ; logoutTimer = null ; if ( m_focusMgr != null ) m_focusMgr . stop ( ) ; m_focusMgr = null ; KeyboardFocusManager . setCurrentKeyboardFocusManager ( originalKeyboardFocusManager ) ; if ( f_order != null ) f_order . dispose ( ) ; f_order = null ; if ( f_curLine != null ) { f_curLine . dispose ( ) ; } f_curLine = null ; if ( f_functionKeys != null ) f_functionKeys . dispose ( ) ; f_functionKeys = null ; if ( f_cashfunctions != null ) f_cashfunctions . dispose ( ) ; f_cashfunctions = null ; if ( m_frame != null ) m_frame . dispose ( ) ; m_frame = null ; m_ctx = null ; }
target:  Dispose - Free Resources