现有:classParserextendsUtilis{publicstaticvoidmain(String[]args){try{System.out.print(newParser().getlnt(42)};}catch(NumberFormatExceptionn){System.out.println(NFExc);}}intgetlnt(Stringarg)throwsNumberFormatException{returnInteger.parselnt(arg);}classUtils{intgetlnt(Stringarg){return42;}}结果为:()A.NFExcB.42C.42NFExcD.编译失败
现有:classParserextendsUtilis{publicstaticvoidmain(String[]args){try{System.out.print(newParser().getlnt("42")};}catch(NumberFormatExceptionn){System.out.println("NFExc");}}intgetlnt(Stringarg)throwsNumberFormatException{returnInteger.parselnt(arg);}classUtils{intgetlnt(Stringarg){return42;}}结果为:()
A.NFExc
B.42
C.42NFExc
D.编译失败
相关考题:
classBirds{publicstaticvoidmain(String[]args){try{thrownewException();}catch(Exceptione){try{thrownewException();}catch(Exceptione2){System.out.print(inner);}System.out.print(middle);}System.out.print(outer);}}结果为:()A.innerB.innerouterC.middleouterD.innermiddleouter
现有:classWaitingimplementsRunnable{booleanflag=false;publicsynchronizedvoidrun(){if(flag){flag=false;System.out.print(1);try{this.wait();)catch(Exceptione){}System.out.print(2);}else{flag=true;System.out.print(3);try{Thread.sleep(2000);}catch(Exceptione){}System.out.print(4);notify();}}publicstaticvoidmain(String[]args){Waitingw=newWaiting();newThread(w).start();newThread(w).start();}}以下哪两项是正确的?()
现有classParserextendsUtils{publicstaticvoidmain(String[]args){try{System.out.print(newParser().getlnt("42"))}catch(Exceptione){System.out.println("Exc");}}intgetlnt(Stringarg)throwsException{returnInteger.parselnt(arg);}}classUtils{intgetlnt(){return42;}}结果是什么?()
现有:classBirds{publicstaticvoidmain(String[]args){try{thrownewException();}catch(Exceptione){try{thrownewException();}catch(Exceptione2){System.out.print(inner);}System.out.print(middle);}System.out.print(outer);}}结果是()A.innerouterB.middleouterC.innermiddleouterD..编译失败
现有:classFlow{publicstaticvoidmain(String[]args)try{System.out.print(before);doRiskyThing();System.out.print(after);}catch(Exceptionfe){System.out.print(catch);}System.out.println(done);}publicstaticvoiddoRiskyThing()throwsException{//thiscodereturnsunlessitthrowsanException}}可能会产生哪两项结果?()A.beforecatchB.beforeafterdoneC.beforecatchdoneD.beforeaftercatch
staticvoidtest()throwsRuntimeException{try{System.out.print(”test);thrownewRuntimeException();}catch(Exceptionex){System.out.print(”exception);}}publicstaticvoidmain(String[]args){try{test();}catch(RuntimeExceptionex){System.out.print(”runtime);}System.out.print(”end);}Whatistheresult?()A.testendB.Compilationfails.C.testruntimeendD.testexceptionendE.AThrowableisthrownbymainatruntime.
staticvoidtest(){try{Stringx=null;System.out.print(x.toString()+);}finally{System.out.print(finally);}}publicstaticvoidmain(String[]args){try{test();}catch(Exceptionex){System.out.print(”exception);}}Whatistheresult?()A.nullB.finallyC.nullfinallyD.Compilationfails.E.finallyexception
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.ABB.BCC.ABCD.BCDE.Compilationfails.
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.ACB.BDC.ACDD.ABCDE.Compilationfails.