publicclassX{publicstaticvoidmain(Stringargs){inta=newint[1]modify(a);System.out.printIn(a[0]);}publicstaticvoidmodify(inta){a[0]＋＋;}}Whatistheresult?()A.Theprogramrunsandprints“0”B.Theprogramrunsandprints“1”C.Theprogramrunsbutabortswithanexception.D.Aner

题目
publicclassX{publicstaticvoidmain(Stringargs){inta=newint[1]modify(a);System.out.printIn(a[0]);}publicstaticvoidmodify(inta){a[0]＋＋;}}Whatistheresult?()

A.Theprogramrunsandprints“0”

B.Theprogramrunsandprints“1”

C.Theprogramrunsbutabortswithanexception.

D.Anerror“possibleundefinedvariable”atline4causescompilationtofail.

E.Anerror“possibleundefinedvariable”atline9causescompilationtofail.

相似考题

1.publicclassX{2.publicstaticvoidmain(String[]args){3.int[]a=newint[1]4.modify(a);5.System.out.printIn(a[0]);6.}7.8.publicstaticvoidmodify(int[]a){9.a[0]＋＋;10.}11.}Whatistheresult?()A.Theprogramrunsandprints“0”B.Theprogramrunsandprints“1”C.Theprogramrunsbutabortswithanexception.D.Anerror“possibleundefinedvariable”atline4causescompilationtofail.E.Anerror“possibleundefinedvariable”atline9causescompilationtofail.

2.publicclasstest(publicintaMethod()[staticinti=0;i＋＋;returnI;)publicstaticvoidmain(Stringargs[]){testtest=newtest();test.aMethod();intj=test.aMethod();System.out.printIn(j);]}Whatistheresult?()A.Compilationwillfail.B.Compilationwillsucceedandtheprogramwillprint“0”C.Compilationwillsucceedandtheprogramwillprint“1”D.Compilationwillsucceedandtheprogramwillprint“2”

3.publicclassX{publicstaticvoidmain(Stringargs){strings=newstring(Hello”);modify(s);System.out.printIn(s);}publicstaticvoidmodify(Strings){s＋=world!”;}}Whatistheresult?()A.Theprogramrunsandprints“Hello”B.Anerrorcausescompilationtofail.C.Theprogramrunsandprints“Helloworld!”D.Theprogramrunsbutabortswithanexception.

4.publicclassX{publicstaticvoidmain(String[]args){strings=newstring(Hello”);modify(s);System.out.printIn(s);}publicstaticvoidmodify(Strings){s＋=world!”;}}Whatistheresult?()A.Theprogramrunsandprints“Hello”B.Anerrorcausescompilationtofail.C.Theprogramrunsandprints“Helloworld!”D.Theprogramrunsbutabortswithanexception.

更多“publicclassX{publicstaticvoidmain(Stringargs){inta=newint[1]modify(a);System.out.printIn(a[0]);}publicstaticvoidmodify(inta){a[0]＋＋;}}Whatistheresult?() ”相关问题

  • 第1题：

    publicclassX{publicstaticvoidmain(Stringargs){Strings1=newString(true”);Booleanb1=newBoolean(true);if(s2.equals(b1)){System.out.printIn(Equal”);}}}Whatistheresult?()

    A.Theprogramrunsandprintsnothing.

    B.Theprogramrunsandprints“Equal”

    C.Anerroratline5causescompilationtofail.

    D.Theprogramrunsbutabortswithanexception.


    参考答案：A

  • 第2题：

    classA{publicintgetNumber(inta){returna＋1;}}classBextendsA{publicintgetNumber(inta){returna＋2}publicstaticvoidmain(Stringargs){Aa=newB();System.out.printIn(a.getNumber(0));}}Whatistheresult?()

    A.Compilationsucceedsand1isprinted.

    B.Compilationsucceedsand2isprinted.

    C.Anerroratline8causescompilationtofail.

    D.Anerroratline13causescompilationtofail.

    E.Anerroratline14causescompilationtofail.


    参考答案：B

  • 第3题：

    14、下面程序段执行后的输出是 。 public class Array____Ex { public static void main（String[] args) { int[] a=new int[1]; modify（a); System.out.println（"a[0]="+a[0]); } public static void modify（int[] a) { a[0]++; } }


    A

  • 第4题：

    publicclassArrayTest{publicstaticvoidmain(Stringargs){floatf1,f2;f1=newfloat[10];f2=f1;System.out.printIn(f2[0]=”＋f2[0]);}}Whatistheresult?()

    A.Itprintsf2[0]=0.0

    B.Itprintsf2[0]=NaN

    C.Anerroratline5causescompiletofail.

    D.Anerroratline6causescompiletofail.

    E.Anerroratline6causesanexceptionatruntime.


    参考答案：A

  • 第5题：

    publicclasstest(publicintaMethod()[staticinti=0;i＋＋;returnI;)publicstaticvoidmain(Stringargs){testtest=newtest();test.aMethod();intj=test.aMethod();System.out.printIn(j);]}Whatistheresult?()

    A.Compilationwillfail.

    B.Compilationwillsucceedandtheprogramwillprint“0”

    C.Compilationwillsucceedandtheprogramwillprint“1”

    D.Compilationwillsucceedandtheprogramwillprint“2”


    参考答案：D

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