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【单项选择题】

11.&#8194;public&#8194;static&#8194;void&#8194;main（String[]&#8194;args）&#8194;{&#8194;<br /> 12.&#8194;Object&#8194;obj&#8194;=&#8194;new&#8194;Object（）&#8194;{&#8194;<br /> 13.&#8194;public&#8194;int&#8194;hashCode（）&#8194;{&#8194;<br /> 14.&#8194;returns&#8194;42；<br /> 15.&#8194;}&#8194;<br /> 16.&#8194;}；&#8194;<br /> 17.&#8194;System.out.println（obj.hashCode（））；&#8194;<br /> 18.&#8194;}&#8194;&#8194;&#8194;<br /> What&#8194;is&#8194;the&#8194;result？&#8194;（）&#8194;<p> 11.&#8194;public&#8194;static&#8194;void&#8194;main（String[]&#8194;args）&#8194;{&#8194;<br /> 12.&#8194;Object&#8194;obj&#8194;=&#8194;new&#8194;Object（）&#8194;{&#8194;<br /> 13.&#8194;public&#8194;int&#8194;hashCode（）&#8194;{&#8194;<br /> 14.&#8194;returns&#8194;42；<br /> 15.&#8194;}&#8194;<br /> 16.&#8194;}；&#8194;<br /> 17.&#8194;System.out.println（obj.hashCode（））；&#8194;<br /> 18.&#8194;}&#8194;&#8194;&#8194;<br /> What&#8194;is&#8194;the&#8194;result？&#8194;（）&#8194;</p>

A、A. 42

B、B. An exception is thrown at runtime.

C、C. Compilation fails because of an error on line 12.

D、D. Compilation fails because of an error on line 16.

E、E. Compilation fails because of an error on line 17.

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更多“11.&#8194;public&#8194;static&#8194;void&#8194;main（String[]&#8194;args）&#8194;{&#8194;<br /> 12.&#8194;Object&#8194;obj&#8194;=&#8194;new&#8194;Object（）&#8194;{&#8194;<br /> 13.&#8194;public&#8194;int&#8194;hashCode（）&#8194;{&#8194;<br /> 14.&#8194;returns&#8194;42；<br /> 15.&#8194;}&#8194;<br /> 16.&#8194;}；&#8194;<br /> 17.&#8194;System.out.println（obj.hashCode（））；&#8194;<br /> 18.&#8194;}&#8194;&#8194;&#8194;<br /> What&#8194;is&#8194;the&#8194;result？&#8194;（）&#8194;<p> 11.&#8194;public&#8194;static&#8194;void&#8194;main（String[]&#8194;args）&#8194;{&#8194;<br /> 12.&#8194;Object&#8194;obj&#8194;=&#8194;new&#8194;Object（）&#8194;{&#8194;<br /> 13.&#8194;public&#8194;int&#8194;hashCode（）&#8194;{&#8194;<br /> 14.&#8194;returns&#8194;42；<br /> 15.&#8194;}&#8194;<br /> 16.&#8194;}；&#8194;<br /> 17.&#8194;System.out.println（obj.hashCode（））；&#8194;<br /> 18.&#8194;}&#8194;&#8194;&#8194;<br /> What&#8194;is&#8194;the&#8194;result？&#8194;（）&#8194;</p>”相关的问题
第1题
[单选题] Which&#8194;will&#8194;declare&#8194;a&#8194;method&#8194;that&#8194;forces&#8194;a&#8194;subclass&#8194;to&#8194;implement&#8194;it？&#8194;（）&#8194;

A、 Public double methoda（）；  B、 Static void methoda （double d1） {}  C、 Public native double methoda（）；  D、 Abstract public void methoda（）；  E、 Protected void methoda （double d1）{}  

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第2题
[] 1）&#8194;class&#8194;Person&#8194;{&#8194; 2）&#8194;public&#8194;void&#8194;printValue（int&#8194;i，&#8194;int&#8194;j）&#8194;{/*…*/&#8194;}&#8194;&#8194;&#8194;&#8194; 3）&#8194;public&#8194;void&#8194;printValue（int&#8194;i）{/*...*/&#8194;}&#8194;&#8194;&#8194;&#8194; 4）&#8194;}&#8194; 5）&#8194;public&#8194;class&#8194;Teacher&#8194;extends&#8194;Person&#8194;{&#8194;&#8194;&#8194;&#8194; 6）&#8194;public&#8194;void&#8194;printValue（）&#8194;{/*...*/&#8194;}&#8194;&#8194;&#8194;&#8194; 7）&#8194;public&#8194;void&#8194;printValue（int&#8194;i）&#8194;{/*...*/}&#8194;&#8194;&#8194;&#8194; 8）&#8194;public&#8194;static&#8194;void&#8194;main（String&#8194;args[]）{&#8194;&#8194;&#8194;&#8194; 9）&#8194;Person&#8194;t&#8194;=&#8194;new&#8194;Teacher（）；&#8194;&#8194;&#8194;&#8194; 10）&#8194;t.printValue（10）；&#8194;&#8194;&#8194;&#8194; 11）&#8194;}&#8194;&#8194;&#8194; 12）&#8194;}&#8194; Which&#8194;method&#8194;will&#8194;the

A、A. on line 2  B、B. on line 3  C、C. on line 6  D、D. on line 7  

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第3题
[多选题] 1）&#8194;class&#8194;Person&#8194;{&#8194;2）&#8194;public&#8194;void&#8194;printValue（int&#8194;i，&#8194;int&#8194;j）&#8194;{/*…*/&#8194;}&#8194;&#8194;&#8194;&#8194;3）&#8194;public&#8194;void&#8194;printValue（int&#8194;i）{/*...*/&#8194;}&#8194;&#8194;&#8194;&#8194;4）&#8194;}&#8194;5）&#8194;public&#8194;class&#8194;Teacher&#8194;extends&#8194;Person&#8194;{&#8194;&#8194;&#8194;&#8194;6）&#8194;public&#8194;void&#8194;printValue（）&#8194;{/*...*/&#8194;}&#8194;&#8194;&#8194;&#8194;7）&#8194;public&#8194;void&#8194;printValue（int&#8194;i）&#8194;{/*...*/}&#8194;&#8194;&#8194;&#8194;8）&#8194;public&#8194;static&#8194;void&#8194;main（String&#8194;args[]）{&#8194;&#8194;&#8194;&#8194;9）&#8194;Person&#8194;t&#8194;=&#8194;new&#8194;Teacher（）；&#8194;&#8194;&#8194;&#8194;10）&#8194;t.printValue（10）；&#8194;&#8194;&#8194;11）&#8194;}&#8194;&#8194;&#8194;&#8194;12）&#8194;}&#8194;Which&#8194;method&#8194;will&#8194;the&#8194;statement&#8194;on&#8194;line&#8194;10&#8194;call？（）&#8194;&#8194;&#8194;&#8194;

A、 on line 2  B、 on line 3  C、 on line 6  D、 on line 7  

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第4题
[] Which&#8194;will&#8194;declare&#8194;a&#8194;method&#8194;that&#8194;forces&#8194;a&#8194;subclass&#8194;to&#8194;implement&#8194;it？（）&#8194;

A、A. Public double methoda（）；  B、B. Static void methoda （double d1） {}  C、C. Public native double methoda（）；  D、D. Abstract public void methoda（）；  E、E. Protected void methoda （double d1）{}  

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第5题
[单选题] You&#8194;work&#8194;as&#8194;an&#8194;application&#8194;developer&#8194;at&#8194;Certkiller&#8194;.com.&#8194;You&#8194;have&#8194;recently&#8194;created&#8194;a&#8194;custom&#8194;collection&#8194;class&#8194;named&#8194;ShoppingList&#8194;for&#8194;a&#8194;local&#8194;supermarket.&#8194;This&#8194;custom&#8194;class&#8194;will&#8194;include&#8194;ShoppinItem&#8194;objects&#8194;that&#8194;have&#8194;the&#8194;public&#8194;properties&#8194;listed&#8194;below.&#8194;*&#8194;Name&#8194;*&#8194;AisleNumber&#8194;*&#8194;OnDiscount&#8194;You&#8194;are&#8194;required&#8194;to&#8194;enable&#8194;users&#8194;of&#8194;your&#8194;class&#8194;to&#8194;iterate&#8194;through&#8194;the&#8194;ShoppingList&#8194;collection，&#8194;and&#8194;to&#8194;list&#8194;each&#8194;product&#8194;name&#8194;and&#8194;aisle&#8194;number&#8194;using&#8194;the&#8194;foreach&#8194;statement.You&#8194;need&#8194;to&#8194;achieve&#8194;this&#8194;by&#8194;declaring&#8194;the&#8194;appropriate&#8194;code.What&#8194;co

A、 public class ShoppingList ： ICollection {// Class implementation }  B、 public class ShoppingList ： IEnumerator， IEnumerable {// Class implementation }  C、 public class ShoppingList ： Ilist {// Class implementation }  D、 public class ShoppingList ： Enum {// Class implementation }  

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第6题
[填空题] 1.&#8194;public&#8194;class&#8194;Test&#8194;{&#8194;2.&#8194;public&#8194;static&#8194;String&#8194;output&#8194;=””；&#8194;3.&#8194;&#8194;4.&#8194;public&#8194;static&#8194;void&#8194;foo（int&#8194;i）&#8194;{&#8194;5.&#8194;try&#8194;{&#8194;6.&#8194;if（i==1）&#8194;{&#8194;7.&#8194;throw&#8194;new&#8194;Exception（）；&#8194;8.&#8194;}&#8194;9.&#8194;output&#8194;+=&#8194;“1”；&#8194;10.&#8194;}&#8194;11.&#8194;catch（Exception&#8194;e）&#8194;{&#8194;12.&#8194;output&#8194;+=&#8194;“2”；&#8194;13.&#8194;return；&#8194;14.&#8194;}&#8194;15.&#8194;finally&#8194;{&#8194;16.&#8194;output&#8194;+=&#8194;“3”；17.&#8194;}&#8194;18.&#8194;output&#8194;+=&#8194;“4”；&#8194;19.&#8194;}&#8194;20.&#8194;&#8194;21.&#8194;public&#8194;static&#8194;void&#8194;main（String&#8194;args[]）&#8194;{&#8194;22.&#8194;foo（0）；&#8194;23.&#8194;foo（1）；&#8194;24.&#8194;&#8194;25.&#8194;}26.&#8194;}&#8194;What&#8194;is&#8194;the&#8194;value&#8194;of&#8194;the&#8194;variable&#8194;output&#8194;at&#8194;line&#8194;23？（）

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第7题
[] Your&#8194;network&#8194;contains&#8194;two&#8194;Exchange&#8194;Server&#8194;2010&#8194;Client&#8194;Access&#8194;servers&#8194;named&#8194;CAS1&#8194;and&#8194;CAS2&#8194;and&#8194;two&#8194;Mailbox&#8194;servers&#8194;named&#8194;MBX1&#8194;and&#8194;MBX2.You&#8194;have&#8194;one&#8194;mailbox&#8194;database&#8194;and&#8194;one&#8194;public&#8194;folder&#8194;database.You&#8194;need&#8194;to&#8194;ensure&#8194;that&#8194;the&#8194;public&#8194;folders&#8194;are&#8194;available&#8194;if&#8194;MBX1&#8194;fails.What&#8194;should&#8194;you&#8194;do？（）

A、A.Create a Failover Cluster and then add MBX1 and MBX2 to the Failover Cluster  B、B.Create a database availability group （DAG） and then add MBX1 and MBX2 to the DAG  C、C.Create a public folder database on MBX2 and then modify the replication settings on each public folder  D、D.Create a public folder database on MBX2 and then modify the replication settings on the public folder database  

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第8题
[多选题] Given&#8194;the&#8194;following&#8194;class，&#8194;which&#8194;statements&#8194;can&#8194;be&#8194;inserted&#8194;at&#8194;position&#8194;1&#8194;without&#8194;causing&#8194;the&#8194;code&#8194;to&#8194;fail&#8194;compilation？（）&#8194;&#8194; public&#8194;class&#8194;Q6db8&#8194;{&#8194;&#8194; int&#8194;a；&#8194;&#8194; int&#8194;b&#8194;=&#8194;0；&#8194;&#8194; static&#8194;int&#8194;c；&#8194;&#8194; public&#8194;void&#8194;m（）&#8194;{&#8194;&#8194; int&#8194;d；&#8194;&#8194; int&#8194;e&#8194;=&#8194;0；&#8194;&#8194; //&#8194;Position&#8194;1&#8194;&#8194; }&#8194;&#8194; }&#8194;

A、a++；  B、b++；  C、c++；  D、d++；  E、e++；  

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第9题
[单选题] Which&#8194;of&#8194;the&#8194;following&#8194;is&#8194;a&#8194;public&#8194;IP&#8194;address？（）

A、172.31.254.40  B、10.100.11.1  C、192.168.100.1  D、172.15.16.76  

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第10题
[单选题] You&#8194;have&#8194;an&#8194;Exchange&#8194;organization.All&#8194;servers&#8194;in&#8194;the&#8194;organization&#8194;have&#8194;Exchange&#8194;Server&#8194;2010&#8194;Service&#8194;Pack&#8194;1&#8194;（SP1）&#8194;installed.&#8194;The&#8194;organization&#8194;contains&#8194;two&#8194;Mailbox&#8194;servers&#8194;named&#8194;Server1&#8194;and&#8194;Server2.Each&#8194;Mailbox&#8194;server&#8194;has&#8194;one&#8194;mailbox&#8194;database&#8194;and&#8194;one&#8194;public&#8194;folder&#8194;database.&#8194;You&#8194;discover&#8194;that&#8194;all&#8194;users&#8194;create&#8194;public&#8194;folders&#8194;on&#8194;Server1&#8194;only.&#8194;You&#8194;need&#8194;to&#8194;ensure&#8194;that&#8194;all&#8194;users&#8194;create&#8194;public&#8194;folders&#8194;on&#8194;Server2&#8194;only.&#8194;What&#8194;should&#8194;you&#8194;do？（）

A、Move all mailboxes to Server2.  B、Modify the properties of both mailbox databases.  C、Remove all public folder replicas from Server1.  D、Modify the properties of both public folder databases.  

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