面试技能题目汇总.doc

interfacestatic finalinstanceof abstractmethodstatic,nativesynchronized? (implements)? (concrete class)?(implements)run()start()?start()JVMrun()Constructoroverride?ConstructorOverridingOverloadingString?Stringfinalsynchronized?synchronizedtry returntryfinally codereturn?return: 28?C2 3(x.equals(y) = true)hash code?hash code?Java swtichbytelongString?switchexpr1expr1 switch case int short char bytelong,string swtich: SingletonSingletonJavaClassSingleton: privatestaticprivatepublicgetInstance,public class Singleton private Singleton()/private private static Singleton instance = new Singleton();/classpublic static Singleton getInstance() return instance;:public class Singleton private static Singleton instance = null;public static synchronized Singleton getInstance() /if (instance=null)instancenew Singleton();return instance; :privatestaticHashtableHashMapHashtableDictionaryHashMapJava1.2Map interfaceHashMapnullentrykeyvalueHashtableHashMapHashtablecontainscontainsvaluecontainsKeycontainsHashtableSynchronizeHashMapHashtableHashMapf87C#.Net.NETASP.NETC#.Net1 .NETStruckclassNew2 3 4 ConstructorOverrideConstructor(Overriding)(Overloading).5 6 823.7, C#C#C#unsafe,.net(GC)C#finalizefinalize()8 ErrorExceptionerrorexception9 final,finally,finallizefinalFinallyFinallizeobject10, HashMapHashtableHashMapHashtablemapHashMapnull,Hashtable11CollectionCollectionsCollectionCollections12C#13Override, Overload,OverrideOverload14BSsession,coolke,application,this.server.Transfer,Querystring.15, C#16New3New Class()public new 17ArrayArraylistForeach (object o in Array), ArrayList.Add (0)18Httpinternet?103f?19ConstReadOnlyConstReadOnly20UDPTCPTCPTCPTCPUDP2122ASP.NETQueryString,session,cookies,application,server.Transfer,respose.redictor.23. CTSCLSCLRCLRCTSCLSCLR24. nullnulll25. ASP.netwindows,forms,passport26. UDDIWSDLUDDIWebWEBWebWSDLXMLWEB27. SOAPXMLSOAPHTTP28. ASP.netvs2003,vs2005vs2003Vs200529. .net.NETnew30. 31. .NETobject32. foreachIEnumerableGetEnumerator ()33. HeapstackHeap,103f234%$BCCC5103f1. privateprotectedpublicinternal.private:,protected:public:internal:2. ASP.NET.1.QueryString,.id=1;response.Redirect().3. Session4. Server.Transfer5. :112358132134.30publicclassMainClasspublicstaticvoidMain()Console.WriteLine(Foo(30);publicstaticintFoo(inti)if(i0&i =2)return1;elsereturnFoo(i-1)+Foo(i-2);6. C#7. overrideoverrideOverride8. B/SSessionCookieApplicationthis.Server.Transfer9. TextBoxstring.Emptyforeach(System.Windows.Forms.Controlcontrolinthis.Controls)if(controlisSystem.Windows.Forms.TextBox)System.Windows.Forms.TextBoxtb=(System.Windows.Forms.TextBox)control;tb.Text=String.Empty;10. intarray=newint;inttemp=0;for(inti=0;i array.Length-1;i+)for(intj=i+1;j array.Length;j+)if(arrayj arrayi)temp=arrayi;arrayi=arrayj;arrayj=temp;11. C#12. 1-2+3-4+m intNum=this.TextBox1.Text.ToString();intSum=0;for(inti=0;i Num+1;i+)if(i%2)=1)Sum+=i;elseSum=Sum-I;System.Console.WriteLine(Sum.ToString();System.Console.ReadLine();13. .netB/S314. usingSystem;classApublicA()PrintFields();publicvirtualvoidPrintFields()classB:Aintx=1;inty;publicB()y=-1;publicoverridevoidPrintFields()Console.WriteLine(x=0,y=1,x,y);newB()BX=1,Y=