网友您好, 请在下方输入框内输入要搜索的题目:

题目内容 (请给出正确答案)
单选题
现有:  void topGo()  {      try  {  middleGo();  }  catch  (Exception e)  {      System.out.print("catch");      }      }  void middleGo()  throws Exception  {     go();  system.out.print("late middle");     }  void go()  throws ExceptiOn  {     throw new Exception();     } 如果调用 topGo () ,则结果为:()
A

 late middle

B

 catch

C

 late middle catch

D

 catch Iate middle


参考答案

参考解析
解析: 暂无解析
更多 “单选题现有:  void topGo()  {      try  {  middleGo();  }  catch  (Exception e)  {      System.out.print("catch");      }      }  void middleGo()  throws Exception  {     go();  system.out.print("late middle");     }  void go()  throws ExceptiOn  {     throw new Exception();     } 如果调用 topGo () ,则结果为:()A  late middleB  catchC  late middle catchD  catch Iate middle” 相关考题
考题 Assumethecustomtagmy:errorPronealwaysthrowsajava.lang.RuntimeExceptionwiththemessageFilenotfound.AnerrorpagehasbeenconfiguredforthisJSPpage.Whichoptionpreventstheexceptionthrownbymy:errorPronefrominvokingtheerrorpagemechanism,andoutputsthemessageFilenotfoundintheresponse?()A.c:trycatch=exmy:errorProne//c:try${ex.message}B.c:catchvar=exmy:errorProne//c:catch${ex.message}C.c:try.my:errorProne/./c:try.c:catchvar=ex/.${ex.message}D.c:try.my:errorProne/.c:catchvar=ex/.${ex.message}./c:try

考题 现有:voidtopGo(){try{middleGo();}catch(Exceptione){System.out.print(catch);}}voidmiddleGo()throwsException{go();system.out.print(latemiddle);}voidgo()throwsExceptiOn{thrownewException();}如果调用topGo(),则结果为:()A.latemiddleB.catchC.latemiddlecatchD.catchIatemiddle

考题 static void test() throws RuntimeException {  try {  System.out.print(”test “);  throw new RuntimeException();  }  catch (Exception ex) { System.out.print(”exception “); }  }  public static void main(String[] args) {  try { test(); }  catch (RuntimeException ex) { System.out.print(”runtime “); }  System.out.print(”end “);  }  What is the result?() A、 test endB、 Compilation fails.C、 test runtime endD、 test exception endE、 A Throwable is thrown by main at runtime.

考题 考虑下列Java代码: Classc A{  Public static void main(String []args){ Try{  System.out.println(“hello,world”) } }  } 其中错误的是()。 A、没有catch或finally块B、没有抛出异常的代码不能出现在try代码块内C、如果没有catch块而使用try,main()会总是抛出异常.D、class A 没有throws IOException

考题 现有:  1.  class Propeller2  {  2.   pulolic static void main (String[]args)//add code here?      3.    {  new Propeller2().topGo();  }      4.  5.void topGo()  //add code here?      6.    {   middleGo();  }      7.  8.void middleGo()  //add code here?  9. {   go();  System.out.println ("late middle");  }    void go()  //add code here?      12.    {throw new Exception();  }      13.  }  为使代码通过编译,需要在哪一行加入声明throws Exception?()     A、只在第11行B、在第8行和第11行C、在第5行、第8行和第11行D、在第2行、第5行、第8行和第11行

考题 static void test() {  try {  String x=null;  System.out.print(x.toString() +“ “);  }  finally { System.out.print(“finally “); }  }  public static void main(String[] args) {  try { test(); }  catch (Exception ex) { System.out.print(”exception “); }  }  What is the result?() A、 nullB、 finallyC、 null finallyD、 Compilation fails.E、 finally exception

考题 下面关于try、catch和finally语句块的组合使用,正确的是()A、try{,}B、try{,}finally{,}C、try{,}catch{,}finally{,}D、try{,}catch{,}catch{,}

考题 public class X {  public static void main(String [] args) {  try {  badMethod();  System.out.print(“A”); }  catch (Exception ex) {  System.out.print(“B”);  }  finally {  System.out.print(“C”);  }  System.out.print(“D”);  }   public static void badMethod() {} }  What is the result?()  A、 ACB、 BDC、 ACDD、 ABCDE、 Compilation fails.

考题 public static void main(String[] args) {  try {  args=null;  args[0] = “test”;  System.out.println(args[0]);  } catch (Exception ex) {  System.out.println(”Exception”);  } catch (NullPointerException npe) {  System.out.println(”NullPointerException”);  }  }  What is the result?() A、 testB、 ExceptionC、 Compilation fails.D、 NullPointerException

考题 public class X {  public static void main(String [] args) {  try {  badMethod();  System.out.print(“A”);  }  catch (RuntimeException ex) {  System.out.print(“B”);  }  catch (Exception ex1) {  System.out.print(“C”);  }   finally {  System.out.print(“D”);  }  System.out.print(“E”);  }  public static void badMethod() {  throw new RuntimeException();  }  }  What is the result?()  A、 BDB、 BCDC、 BDED、 BCDEE、 ABCDEF、 Compilation fails.

考题 现有:  void topGo()  {      try  {  middleGo();  }  catch  (Exception e)  {      System.out.print("catch");      }      }  void middleGo()  throws Exception  {     go();  system.out.print("late middle");     }  void go()  throws ExceptiOn  {     throw new Exception();     } 如果调用 topGo () ,则结果为:() A、 late middleB、 catchC、 late middle catchD、 catch Iate middle

考题 现有:  class Birds {  public static void main (String  []  args)  {   try {  throw new Exception () ;    } catch (Exception e) {   try {   throw new Exception () ;  }  catch  (Exception e2)  {  System.out.print ("inner           "); }   System. out.print ( "middle" ) ;    }  System.out.print ("outer") ;    }    }  结果是()A、 inner outerB、 middle outerC、 inner middle outerD、.编译失败

考题 现有   1. class Calc {  2.  public static void main(String [] args) {   3.    try {  4.         int x = Integer.parselnt ("42a") ;   5.     //insert code here  6.         System.out.print ("oops");   7.    }   8.   }   9. }   下面哪两行分别插入到第五行,会导致输 "oops" ? () A、 } catch (IllegalArgumentException e) {B、 } catch (IllegalStateException c) {C、 } catch (NumbelFormatException n) {D、 } catch (ClassCastException c) {

考题 Assume the custom tag my:errorProne always throws a java.lang.RuntimeException with the message "Filenot found." An error page has been configured for this JSP page. Which option prevents the exceptionthrown by my:errorProne from invoking the error page mechanism, and outputs the message "File notfound" in the response?()A、c:try catch="ex"my:errorProne //c:try${ex.message}B、c:catch var="ex"my:errorProne //c:catch${ex.message}C、c:try. my:errorProne /. /c:try. c:catch var="ex" /. ${ex.message}D、c:try. my:errorProne /. c:catch var="ex" /. ${ex.message}. /c:try

考题 单选题public class X {  public static void main(String [] args) {  try {  badMethod();  System.out.print(“A”);  }  catch (RuntimeException ex) {  System.out.print(“B”);  }  catch (Exception ex1) {  System.out.print(“C”);  }   finally {  System.out.print(“D”);  }  System.out.print(“E”);  }  public static void badMethod() {  throw new RuntimeException();  }  }  What is the result?()A  BDB  BCDC  BDED  BCDEE  ABCDEF  Compilation fails.

考题 单选题现有:  class Birds {  public static void main (String  []  args)  {   try {  throw new Exception () ;    } catch (Exception e) {   try {   throw new Exception () ;  }  catch  (Exception e2)  {  System.out.print ("inner           "); }   System. out.print ( "middle" ) ;    }  System.out.print ("outer") ;    }    }  结果是()A  inner outerB  middle outerC  inner middle outerD .编译失败

考题 单选题static void test() throws RuntimeException {  try {  System.out.print(”test “);  throw new RuntimeException();  }  catch (Exception ex) { System.out.print(”exception “); }  }  public static void main(String[] args) {  try { test(); }  catch (RuntimeException ex) { System.out.print(”runtime “); }  System.out.print(”end “);  }  What is the result?()A  test endB  Compilation fails.C  test runtime endD  test exception endE  A Throwable is thrown by main at runtime.

考题 单选题Assume the custom tag my:errorProne always throws a java.lang.RuntimeException with the message "Filenot found." An error page has been configured for this JSP page. Which option prevents the exceptionthrown by my:errorProne from invoking the error page mechanism, and outputs the message "File notfound" in the response?()A c:try catch=exmy:errorProne //c:try${ex.message}B c:catch var=exmy:errorProne //c:catch${ex.message}C c:try. my:errorProne /. /c:try. c:catch var=ex /. ${ex.message}D c:try. my:errorProne /. c:catch var=ex /. ${ex.message}. /c:try

考题 单选题What is wrong with the following code?()   class MyException extends Exception {}   public class Qb4ab {   public void foo() {  try {  bar();  } finally {  baz();   } catch (MyException e) {}  }   public void bar() throws MyException {   throw new MyException();  }   public void baz() throws RuntimeException {   throw new RuntimeException();   }   }A Since the method foo() does not catch the exception generated by the method baz(), it must declare the RuntimeException in its throws clause.B A try block cannot be followed by both a catch and a finally block.C An empty catch block is not allowed.D A catch block cannot follow a finally block.E A finally block must always follow one or more catch blocks.

考题 单选题现有:  class Number{  public static void main(String  []  aras)  {      try  {  System.out.print (Integer.parselnt ("forty"));      } catch (RuntimeException r)  {      System.out.print ("runtime");  } catch  (NumberFormatException e)  {      system..ut.print("number");      }      }      }  结果是什么?()A numberB runtimeC forty numberD 编译失败

考题 单选题public class X {  public static void main(String [] args) {  try {  badMethod();  System.out.print(“A”);  }  catch (Exception ex) {  System.out.print(“B”);  }  finally {  System.out.print(“C”);  }  System.out.print(“D”);  }  public static void badMethod() {  throw new RuntimeException();  }  }  What is the result? ()A  ABB  BCC  ABCD  BCDE  Compilation fails.

考题 单选题public static void main(String[] args) {  try {  args=null;  args[0] = “test”;  System.out.println(args[0]);  } catch (Exception ex) {  System.out.println(”Exception”);  } catch (NullPointerException npe) {  System.out.println(”NullPointerException”);  }  }  What is the result?()A  testB  ExceptionC  Compilation fails.D  NullPointerException

考题 单选题static void test() throws Error {  if (true) throw new AssertionError();  System.out.print(”test “);  }  public static void main(String[] args) {  try { test(); }  catch (Exception ex) { System.out.print(”exception “); }  System.out.print(”elld “);  }  What is the result?()A  endB  Compilation fails.C  exception endD  exception test endE  A Throwable is thrown by main.F  An Exception is thrown by main.

考题 单选题现有:  1.  class Propeller2  {  2.   pulolic static void main (String[]args)//add code here?      3.    {  new Propeller2().topGo();  }      4.  5.void topGo()  //add code here?      6.    {   middleGo();  }      7.  8.void middleGo()  //add code here?  9. {   go();  System.out.println ("late middle");  }    void go()  //add code here?      12.    {throw new Exception();  }      13.  }  为使代码通过编译,需要在哪一行加入声明throws Exception?()A 只在第11行B 在第8行和第11行C 在第5行、第8行和第11行D 在第2行、第5行、第8行和第11行

考题 多选题现有:  class Flow {  public static void main(String [] args)   try {  System. out .print ("before") ;   doRiskyThing ( )  ;   System.out.print ("after ") ;   } catch (Exception fe) {  System.out.print ("catch") ;   }  System. out .println ( " done") ;  }  public static void doRiskyThing() throws Exception{   // this code returns unless it throws an Exception           }}  可能会产生哪两项结果 ?()Abefore catchBbefore after doneCbefore catch doneDbefore after catch

考题 单选题static void test() {  try {  String x=null;  System.out.print(x.toString() +“ “);  }  finally { System.out.print(“finally “); }  }  public static void main(String[] args) {  try { test(); }  catch (Exception ex) { System.out.print(”exception “); }  }  What is the result?()A  nullB  finallyC  null finallyD  Compilation fails.E  finally exception

考题 单选题public class X {  public static void main(String [] args) {  try {  badMethod();  System.out.print(“A”); }  catch (Exception ex) {  System.out.print(“B”);  }  finally {  System.out.print(“C”);  }  System.out.print(“D”);  }   public static void badMethod() {} }  What is the result?()A  ACB  BDC  ACDD  ABCDE  Compilation fails.