Click the Exhibit button. Given:Which two statements are true if a NullPointerException is thrown on line 3 of class C? ()A.The application will crash.B.The code on line 29 will be executed.C.The code on line 5 of class A will execute.D.The code on line 5

题目
Click the Exhibit button. Given:Which two statements are true if a NullPointerException is thrown on line 3 of class C? ()

A.The application will crash.

B.The code on line 29 will be executed.

C.The code on line 5 of class A will execute.

D.The code on line 5 of class B will execute.

E.The exception will be propagated back to line 27.

相似考题

1.Click the Exhibit button.Given:What is the result?()A.Line 26 prints "a" to System.out.B.Line 26 prints "b" to System.out.C.An exception is thrown at line 26 at runtime.D.Compilation of class A will fail due to an error in line 6.

2.Given:WhichlineofcodemarkstheearliestpointthatanobjectreferencedbyintObjbecomesacandidatefor garbagecollection?()A.Line16B.Line17C.Line18D.Line19

3.Given:WhichchangecanyoumaketoTargetwithoutaffectingClient?()A.Line4ofclassTargetcanbechangedtoreturni++；B.Line2ofclassTargetcanbechangedtoprivateinti=1；C.Line3ofclassTargetcanbechangedtoprivateintaddOne（）{D.Line2ofclassTargetcanbechangedtoprivateIntegeri=0；

4.Given:When the doSomething method is called, after which line does the Object created in line 5 become available for garbage collection?()A.Line 5B.Line 6C.Line 7D.Line 8E.Line 9F.Line 10

更多“Click the Exhibit button. Given:Which two statements are true if a NullPointerException is thrown on line 3 of class C? () ”相关问题

  • 第1题：

    Given:Which code, inserted at line 16, correctly retrieves a local instance of a Point object?()

    A.Point p = Line.getPoint();

    B.Line.Point p = Line.getPoint();

    C.Point p = (new Line()).getPoint();

    D.Line.Point p = (new Line()).getPoint();


    参考答案：D

  • 第2题：

    下列复选框构造方法，错误的是 ( )

    A．setLayout(new GridLayout(3，1))；

    B．add(new Checkbox("one"，null，true))；

    C．add(new Checkbox("two"))；

    D．add(new Checkbox("one"，true))；


    正确答案：D
    解析：该题考查复选框的构造方法。构造方法的一般格式为：public Checkbox (String label，CheckboxGrou Pgroup，boolean state)。选项A、B、C都是正确的，而选项D是错误的，它的第二个参数应该是CheckboxGrou Pgroup，所以选项D是错误的。

  • 第3题：

    Given:35.Stringname="JaneDoe";36.int$age=24;37.Double_height=123.5;38.double~temp=37.5;Whichtwostatementsaretrue?()

    A.Line35willnotcompile.

    B.Line36willnotcompile.

    C.Line37willnotcompile.

    D.Line38willnotcompile.


    参考答案：A, D

  • 第4题：

    Given:WhichstatementistrueifaResourceExceptionisthrownonline86?()

    A.Line92willnotexecute.

    B.Theconnectionwillnotberetrievedinline85.

    C.Theresourceconnectionwillnotbeclosedonline88.

    D.Theenclosingmethodwillthrowanexceptiontoitscaller.


    参考答案：C

  • 第5题：

    下列复选框构造方法，错误的是()。

    A．setLayout(newGridLayout(3,1));

    B．add(newCheckbox("one",null,true));

    C．add(newCheckbox("tWO");

    D．add(newCheckbox("one",true);


    正确答案：D

  • 第6题：

    The relative pronoun "which" in the last paragraph (Line 6) refers to （　　）.

    A.experts
    B.periods
    C.theories
    D.issues

    答案：D
    解析：

相关内容