publicclassTest{publicstaticvoidreplaceJ(stringtext){text.replace(‘j’,‘l’);}publicstaticvoidmain(Stringargs[]){stringtext=newString(java”)replaceJ(text);system.out.printIn(text);}}Whatistheresult?()A.Theprogramprints“lava”B.Theprogramprints“java”C.Anerror

题目
publicclassTest{publicstaticvoidreplaceJ(stringtext){text.replace(‘j’,‘l’);}publicstaticvoidmain(Stringargs[]){stringtext=newString(java”)replaceJ(text);system.out.printIn(text);}}Whatistheresult?()

A.Theprogramprints“lava”

B.Theprogramprints“java”

C.Anerroratline7causescompilationtofail.

D.Compilationsucceedsbuttheprogramthrowsanexception.

相似考题

1.publicclassTest{publicstaticvoidleftshift(inti,intj){i<<=j;}publicstaticvoidmain(Stringargs[]){inti=4,j=2;leftshift(i,j);System.out.printIn(i);}}Whatistheresult?()A.2B.4C.8D.16E.Thecodewillnotcompile.

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.Publicclasstest（PublicstaticvoidstringReplace（Stringtext）（Text=text.replace（‘j’，‘i’）；）publicstaticvoidbufferReplace（StringBuffertext）（text=text.append（C”））publicstaticvoidmain（Stringargs[]}（StringtextString=newString（java”）；StringBuffertextBufferString=newStringBuffer（java”）；stringReplace（textString）；BufferReplace（textBuffer）；System.out.printLn（textString+textBuffer）；））Whatistheoutput？（）

4.classsuper（publicintI=0；publicsuper（stringtext）（I=1））publicclasssubextendssuper（publicsub（stringtext）（i=2）publicstaticvoidmain（straingargs[]）（subsub=newsub（Hello”）；system.out.PrintIn（sub.i）；））Whatistheresult？（）A.Compilationwillfail.B.Compilationwillsucceedandtheprogramwillprint“0”C.Compilationwillsucceedandtheprogramwillprint“1”D.Compilationwillsucceedandtheprogramwillprint“2”

更多“publicclassTest{publicstaticvoidreplaceJ(stringtext){text.replace(‘j’,‘l’);}publicstaticvoidmain(Stringargs[]){stringtext=newString(java”)replaceJ(text);system.out.printIn(text);}}Whatistheresult?() ”相关问题

  • 第1题：

    classSuper{publicinti=0；publicSuper（Stringtext）{i=1；}}publicclassSubextendsSuper{publicSub（Stringtext）{i=2；}publicstaticvoidmain（Stringargs[]）{Subsub=newSub（Hello”）；System.out.println（sub.i）；}}Whatistheresult？（）

    A.0

    B.1

    C.2

    D.Compilationfails.


    参考答案：C
    ThiscodeisperfectlylegalandtheanswerisC.

  • 第2题：

    publicclassTest{publicstaticvoidleftshift(inti,intj){i<<=j;}publicstaticvoidmain(Stringargs){inti=4,j=2;leftshift(i,j);System.out.printIn(i);}}Whatistheresult?()

    A.2

    B.4

    C.8

    D.16

    E.Thecodewillnotcompile.


    参考答案：B

  • 第3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

  • 第4题：

    publicclassTest{publicstaticvoidreplaceJ(stringtext){text.replace(‘j‘,‘l‘);}publicstaticvoidmain(Stringargs){stringtext=newString(java”)replaceJ(text);system.out.printIn(text);}}Whatistheresult?()

    A.Theprogramprints“lava”

    B.Theprogramprints“java”

    C.Anerroratline7causescompilationtofail.

    D.Compilationsucceedsbuttheprogramthrowsanexception.


    参考答案：B

  • 第5题：

    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.


    参考答案：A

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