String[]elements={for”,tea”,too”};Stringfirst=(elements.length>0)?elements[0]null;Whatistheresult?()A.Compilationfails.B.Anexceptionisthrownatruntime.C.Thevariablefirstissettonull.D.Thevariablefirstissettoelements[0].

题目
String[]elements={for”,tea”,too”};Stringfirst=(elements.length>0)?elements[0]null;Whatistheresult?()

A.Compilationfails.

B.Anexceptionisthrownatruntime.

C.Thevariablefirstissettonull.

D.Thevariablefirstissettoelements[0].

相似考题

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2.String[] elements={"for","tea","too"};String first=(elements.length>0)?elements[0]null;What is the result?()A.Compilation fails.B.An exception is thrown at runtime.C.The variable first is set to null.D.The variable first is set to elements[0].

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4.You are consuming a Windows Communication Foundation (WCF) service in an ASP. NET Web application.The service interface is defined as follows:[ServiceContract]public interface ICatalog{ [OperationContract] [WebGet(UriTemplate="/Catalog/Items/{id}", ResponseFormat=WebMessageFormat.Json)] string RetrieveItemDescription(int id); } The service is hosted at Catalogsvc.You need to call the service using jQuery to retrieve the description of an item as indicated by a variable named itemId. Which code segment should you use?（）A. $get(String.format("/Catalogsvc/Catalog/Items/id{0}", itemId) null, function (data) { ... }, javascript");B. $get(String.format("/Catalogsvc/Catalog/Items/{0}", itemId), null, function (data) { ... }, "json");C. $get(String.format("/Catalogsvc/Catalog/Items/{0}", itemld), null, function (data) { ... }, "xml");D. $get(String.format("/Catalogsvc/Catalog/Items/id{0}", itemld), null, function (data) { ... }, "json");

更多“String[]elements={for”,tea”,too”};Stringfirst=(elements.length>0)?elements[0]null;Whatistheresult?() ”相关问题

  • 第1题：

    publicstaticvoidmain（String[]args）{try{args=null；args[0]=test”；System.out.println（args[0]）；}catch（Exceptionex）{System.out.println（”Exception”）；}catch（NullPointerExceptionnpe）{System.out.println（”NullPointerException”）；}}Whatistheresult？（）

    A.test

    B.Exception

    C.Compilationfails.

    D.NullPointerException


    参考答案：C

  • 第2题：

    publicclassTest{privatestaticint[]x;publicstaticvoidmain(String[]args){System.out.println(x[0]);}}Whatistheresult?()

    A.0

    B.null

    C.Compilationfails.

    D.ANullPointerExceptionisthrownatruntime.

    E.AnArrayIndexOutOfBoundsExceptionisthrownatruntime.


    参考答案：D

  • 第3题：

    Given:String[]elements={"for","tea","too"};Stringfirst=(elements.length>0)?elements[0]:null;Whatistheresult?()

    A.Compilationfails.

    B.Anexceptionisthrownatruntime.

    C.Thevariablefirstissettonull.

    D.Thevariablefirstissettoelements[0].


    参考答案：D

  • 第4题：

    publicstaticvoidmain(String[]args){Stringstr=null?;if(str==null){System.out.println(”null”);}else(str.length()==0){System.out.println(”zero”);}else{System.out.println(”some”);}}Whatistheresult?()

    A.null

    B.zero

    C.some

    D.Compilationfails.

    E.Anexceptionisthrownatruntime.


    参考答案：D

  • 第5题：

    YouneedtodesignthestorageoftheapplicationtextsforUIelementstofulfilltherequirements.Whichtableandcolumndesignshouldyouuse?()

    A.Languages(LanguageID,Name)Elements(ElementID,Description)ElementLanguages(ElementID,LanguageID,Text)

    B.Languages(LanguageID,Name)Elements(ElementID,LanguageID,Description,Text)

    C.Languages(LanguageID,Name)ElementTexts(LanguageID,Text)ElementDescriptions(ElementID,Description)

    D.Languages(LanguageID,Name)Elements(ElementID,Description,Text)


    参考答案：A

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