using?System; using?System.Collections.Generic; using?System.Linq; using?System.Text;namespace?_13.流程控制之if語句 {class?Program{static?void?Main(string[]?args){/***?if語句語法及執行過程：*??if?(<test1>)*??{*??????<code?executed?if?<test1>?is?true>*??}*??else?if?(<test2>)*??{???*??????<code?executed?if?<test2>?is?true>*??}*??...*??else*??{*??????<code?executed?if?all?<test>?is?false>*??}*?*///?求三個整數中的最大值//?if語句版本{int?a?=?6,?b?=?5;string?comparison?=?null;if?(a?>?b)comparison?=?"greater?than";if?(b?>?a)comparison?=?"less?than";if?(a?==?b)comparison?=?"equal?to";Console.WriteLine("{0}?is?{1}?{2}",?a,?comparison,?b);}//?if_else語句版本{int?a?=?6,?b?=?5;string?comparison?=?null;if?(a?>?b){comparison?=?"greater?than";}else{if?(a?<?b)comparison?=?"less?than";elsecomparison?=?"equal?to";}Console.WriteLine("{0}?is?{1}?{2}",?a,?comparison,?b);}//?if_elseif_else語句版本{int?a?=?6,?b?=?5;string?comparison?=?null;if?(a?>?b){comparison?=?"greater?than";}else?if?(a?<?b){comparison?=?"less?than";}?elsecomparison?=?"equal?to";Console.WriteLine("{0}?is?{1}?{2}",?a,?comparison,?b);}Console.ReadKey();}} }

轉載于:https://blog.51cto.com/vikxiao/1586487

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