package Overly_board_Throws; import java.util.logging.Logger; import javax.servlet.http.HttpServletRequest; public class Overly_board_Throws { static final Logger log = Logger.getLogger("logger"); public void bad(HttpServletRequest request) throws Throwable { // bad 犯化的抛出异常 String val = "1"; int value = Integer.parseInt(val); if (value != 0) log.info("parse ok"); } public void good(HttpServletRequest request) throws NumberFormatException { // good 犯化的抛出异常 String val = "1"; int value = Integer.parseInt(val); if (value != 0) { log.info("parse ok"); } } }