c#程序设计教程课件第5章

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1、C#程序设计教程课件第5章Inthispaper,byx4168138contributionPowerpointdocumentsmaybeapoorexperienceattheWAPend・ItisrecommendedthatyouchooseTXT,ordownloadthesourcefiletothenativeview.Chapter5exceptionhandlingThischaptercontent5.1asimpleprogramthatproducesanexceptionof5.2exceptionsthatcaptu

2、reandhandlethethrowandcustomexceptionof5.3exceptions5.1asimpleprogramthatproducesexceptionsThec#programmingtutorial一monzuiscompiledCreateaconsoleapplicationExceptionPro,theprogramcancapture,createaconsoleapplicationexceptions,andcarryoncorrespondingprocessing:abnormalities,an

3、dcarryoncorrespondingprocessing:ThestaticvoidMain(string[]){intn,m;Strings=Console.Attemptsto"try123，zab4n=0;intoanintegerasthetryproductionhadabnonnal{m=theConvertTolntl6(s);//produceabnormalresultingfromastatement//statementConsole.WriteLine(“m={0}〃，m);producethe}whentoexec

4、utethestatementthecatch(Exceptione)//catchexceptionstocatchexceptions{Console・WriteLine(“anException:{0}e.Message);//processingproduceanomaly:handieexceptionstoproduceabnormal}theConsole・ReadKey();}5.1asimpleprogramthatproducesexceptionsThec#programmingtutorial-monzuiscompile

5、dDescription:description:possibleexceptioncodeinthetryblockmayappearabnormalexceptionhandlingcodeintheblockofcodeisexceptionhandlinginthecatchblockofcodeisintheblockWhentheprogramisintherunningprocesstoproduceabnormal,whentheprogramisintheprocessofrunninganexception,willturnt

6、operforminthecatchblockcode,whichavoidsthegenerationofabnormalthatpieceofthecode,pieceofcodeintheprogramisruninanabnormaltermination.Abnormalterminationoftheprogra.m，soperation.Role:role:maketheprogramhasstrongerrorhandlingability,maketheprogramhasstrongerrorhandlingability,m

7、akestheprogrammorerobustandstable・Robustandstable・ExceptioncaptureandprocessingThec#programmingtutorial-monzuiscompiledTheconceptofabnormal5.2.1So-calledexceptions,itreferstotheprocessinoperation(theso-calledexceptions,itreferstotheprocessintherunningprocess(ratherthancompile

8、theabnormalprocess))generatedinerrorCompileerrorsintheprocesscanbeav