Whichcodefragment,insertedattheendofline12,producestheoutputpis420?() A.p.setWeight(420);B.p.changePayload(420);C.p=newPayload(420);D.Payload.setWeight(420);E.p=Payload.setWeight(420);
Whichcodefragment,insertedattheendofline12,producestheoutputpis420?()
A.p.setWeight(420);
B.p.changePayload(420);
C.p=newPayload(420);
D.Payload.setWeight(420);
E.p=Payload.setWeight(420);
相关考题:
10.publicclassFooimplementsjava.io.Serializable{11.privateintx;12.publicintgetX(){returnx;}12.publicFoo(intx){this.x=x;}13.privatevoidwriteObject(ObjectOutputStreams)14.throwsIOException{15.//insertcodehere16.}17.}Whichcodefragment,insertedatline15,willallowFooobjectstobecorrectlyserializedanddeserialized?()A.s.writeInt(x);B.s.serialize(x);C.s.writeObject(x);D.s.defaultWriteObject();
Given:Whichcodefragment,insertedattheendofline12,producestheoutputpis420?() A.p.setWeight(420);B.p.changePayload(420);C.p=newPayload(420);D.Payload.setWeight(420);E.p=Payload.setWeight(420);
Given:Which code fragment, inserted at line 23, allows the code to compile?() A.df = new DateFormat();B.df = Date.getFormat();C.df = date.getFormat();D.df = DateFormat.getFormat();E.df = DateFormat.getInstance();
Given:Which code fragment, inserted at line 24, outputs 123abc 123abc?() A.sb1.append(abc); s1.append(abc);B.sb1.append(abc); s1.concat(abc);C.sb1.concat(abc); s1.append(abc);D.sb1.concat(abc); s1.concat(abc);E.sb1.append(abc); s1 = s1.concat(abc);F.sb1.concat(abc); s1 = s1.concat(abc);G.sb1.append(abc); s1 = s1 + s1.concat(abc);H.sb1.concat(abc); s1 = s1 + s1.concat(abc);
Given:22.StringBuildersb1=newStringBuilder(123);23.Strings1=123;24.//insertcodehere25.System.out.println(sb1++s1);Whichcodefragment,insertedatline24,outputs123abc123abc?()A.sb1.append(abc);s1.append(abc);B.sb1.append(abc);s1.concat(abc);C.sb1.concat(abc);s1.append(abc);D.sb1.concat(abc);s1.concat(abc);E.sb1.append(abc);s1=s1.concat(abc);