What we say in class: anomalies

1  PackageOrg.hanqi.ex;2 3  Public classTestException {4 5      Public Static voidMain (string[] args) {6         7         //Create an exception8         //except for 0 exceptions9         //1. CaptureTen         Try One         { A             inti = 12/10;  -              -             //Open Some resources theString s =NULL; -SYSTEM.OUT.PRINTLN ("Open resource");  -             //Use -             //If an exception occurs in use +SYSTEM.OUT.PRINTLN ("Use resources"); - s.length (); +             //close the resource and release ASYSTEM.OUT.PRINTLN ("Release resource code that you want to be sure to execute"); at         } -         Catch(ArithmeticException ex) -         { -             //special handling for specific exceptions -System.out.println ("Caught ArithmeticException exception"); -             //Get exception information inString str =ex.getmessage (); -             //How to: Display or log logs toSYSTEM.OUT.PRINTLN ("Exception information =" +str); +             //output Exception details to the console - ex.printstacktrace (); the System.out.println (); *         }         $         Panax Notoginseng         Catch(NullPointerException ex) -         { the             //special handling for specific exceptions +System.out.println ("Caught NullPointerException exception"); A             //Get exception information theString str =ex.getmessage (); +             //How to: Display or log logs -SYSTEM.OUT.PRINTLN ("Exception information =" +str); $             //output Exception details to the console $ ex.printstacktrace (); - System.out.println (); -         } the         Catch(Exception ex) -         {Wuyi             //special handling for specific exceptions theSystem.out.println ("Caught exception exception"); -             //Get exception information WuString str =ex.getmessage (); -             //How to: Display or log logs AboutSYSTEM.OUT.PRINTLN ("Exception information =" +str); $             //output Exception details to the console - ex.printstacktrace (); - System.out.println (); -         } A         finally//code that is bound to be executed +         { theSYSTEM.OUT.PRINTLN ("Release resource code that you want to be sure to execute"); -         } $          the         Try the         { the             intj = 12/0; the         } -         finally in         { theSYSTEM.OUT.PRINTLN ("Release resource code that you want to be sure to execute"); the         } AboutSYSTEM.OUT.PRINTLN ("program Continues execution"); the     } the}

1  PackageOrg.hanqi.ex;2 3  Public classMythrow {4     5     //Put the throws behind the method, specifically declaring that the method is likely to be abnormal6     //The method itself is not processed and given to the caller to handle7      Public intChuintAintbthrowsException8     {9         returnA/b;Ten     } One      Public voidDiaoyong ()throwsException A     { -         Try { -             inti = Chu (12,10); the}Catch(Exception e) { -             //TODO Auto-generated catch block -             //e.printstacktrace (); -SYSTEM.OUT.PRINTLN ("I caught an exception" +e.getmessage ()); +             //actively throw -             Throwe; +         } A     } at      Public voidDiaoyong2 ()throwsException -     { -         inti = Chu (12,0); -     } -      Public intTestintAintbthrowsException -     { in         //Data Validation -         if(b==0) to         { +             //Define yourself -Exception e =NewException ("My custom exception info: The second parameter cannot be equal to 0"); the             Throwe; *         } $         returnA/b;Panax Notoginseng     } -      Public Static voidMain (string[] args) the     { +Mythrow MT =NewMythrow (); A         Try { the Mt.diaoyong (); +}Catch(Exception e) { -             //TODO Auto-generated catch block $ e.printstacktrace (); $         } -SYSTEM.OUT.PRINTLN ("program continues to run"); -          the         Try { -Mt.test (30,0);Wuyi}Catch(Exception e) { the             //TODO Auto-generated catch block -             //e.printstacktrace (); WuSYSTEM.OUT.PRINTLN ("Exception info:" +e.getmessage ()); -         } About     } $}

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What we say in class: anomalies