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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.
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更多 “ 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. ” 相关考题
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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.
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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”
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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”
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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？（）
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classSuper{publicinti=0；publicSuper（Stringtext）{i=1；}}publicclassSubextendsSuper{publicSub（Stringtext）{i=2；}publicstaticvoidmain（Stringargs[]）{Subsub=newSub（Hello”）；System.out.println（sub.i）；}}Whatistheresult？（）A.0B.1C.2D.Compilationfails.
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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.
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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.
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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.
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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”
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