现有两个文件:packageX;publicclassX{publicstaticvoiddoX(){System.out.print("doX");}}和:importx.X;classFind{publiCstaticvoidmain(String[]args){XmyX=newX();myX.doX();X.doX();x.X.aoX():x.XmyX2=newx.X();myx2.doX();}}结果为:()
A.Find类中第4行出现一个错误,编译失败。
B.Find类第5行出现一个错误,编译失败。
C.Find类第6行出现一个错误,编译失败。
D.doXdoXdoXdoX
第1题:
A.doX();
B.X.doX();
C.x.X.doX();
D.x.XmyX=newx.X();myX.doX();
第2题:
publicclassX{publicstaticvoidmain(String[]args){try{badMethod();System.out.print(A”);}catch(RuntimeExceptionex){System.out.print(B”);}catch(Exceptionex1){System.out.print(C”);}finally{System.out.print(D”);}System.out.print(E”);}publicstaticvoidbadMethod(){thrownewRuntimeException();}}Whatistheresult?()
A.BD
B.BCD
C.BDE
D.BCDE
E.ABCDE
F.Compilationfails.
第3题:
publicclassX{publicstaticvoidmain(String[]args){try{badMethod();System.out.print(A”);}catch(Exceptionex){System.out.print(B”);}finally{System.out.print(C”);}System.out.print(D”);}publicstaticvoidbadMethod(){}}Whatistheresult?()
A.AC
B.BD
C.ACD
D.ABCD
E.Compilationfails.
第4题:
publicclassX{publicstaticvoidmain(String[]args){try{badMethod();System.out.print(A”);}catch(Exceptionex){System.out.print(C”);}finally{System.out.print(B”);}System.out.print(D”);}publicstaticvoidbadMethod(){thrownewError();}}Whatistheresult?()
A.ABCD
B.Compilationfails.
C.Cisprintedbeforeexitingwithanerrormessage.
D.BCisprintedbeforeexitingwithanerrormessage.
E.BCDisprintedbeforeexitingwithanerrormessage.
第5题:
publicclassX{publicstaticvoidmain(String[]args){try{badMethod();System.out.print(A”);}catch(Exceptionex){System.out.print(B”);}finally{System.out.print(C”);}System.out.print(D”);}publicstaticvoidbadMethod(){thrownewRuntimeException();}}Whatistheresult?()
A.AB
B.BC
C.ABC
D.BCD
E.Compilationfails.