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33. try { 34. // some code here 35. } catch (NullPointerException e1) { 36. System.out.print(”a”); 37. } catch (RuntimeException e2) { 38. System.out.print(”b”); 39. } finally { 40. System.out.print(”c”); 41. } What is the result if a NullPointerException occurs on line 34?()
- A、 c
- B、 a
- C、 ab
- D、 ac
- E、 bc
- F、 abc
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更多 “ 33. try { 34. // some code here 35. } catch (NullPointerException e1) { 36. System.out.print(”a”); 37. } catch (RuntimeException e2) { 38. System.out.print(”b”); 39. } finally { 40. System.out.print(”c”); 41. } What is the result if a NullPointerException occurs on line 34?() A、 cB、 aC、 abD、 acE、 bcF、 abc” 相关考题
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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.BDB.BCDC.BDED.BCDEE.ABCDEF.Compilationfails.
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class Number { public static void main(String [] args) { try { System.out.print(Integer.parseInt("forty ")); } catch (RuntimeException r) { System.out.print("runtime "); } catch (NumberFormatException e) { System.out.print("number "); } } } 结果是什么?() A、fortyB、numberC、runtimeD、编译失败
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public class X { public static void main(String [] args) { try { badMethod(); System.out.print(“A”); } catch (Exception ex) { System.out.print(“C”); } finally { System.out.print(“B”); } System.out.print(“D”); } public static void badMethod() { throw new Error(); } } What is the result?() A、 ABCDB、 Compilation fails.C、 C is printed before exiting with an error message.D、 BC is printed before exiting with an error message.E、 BCD is printed before exiting with an error message.
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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
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31. // some code here 32. try { 33. // some code here 34. } catch (SomeException se) { 35. // some code here 36. } finally { 37. // some code here 38. } Under which three circumstances will the code on line 37 be executed?()A、 The instance gets garbage collected.B、 The code on line 33 throws an exception.C、 The code on line 35 throws an exception.D、 The code on line 31 throws an exception.E、 The code on line 33 executes successfully.
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33. Date d = new Date(0); 34. String ds = “December 15, 2004”; 35. // insert code here 36. try { 37. d = df.parse(ds); 38. } 39. catch(ParseException e) { 40. System.out.println(”Unable to parse “+ ds); 41. } 42. // insert code here too Which will create the appropriate DateFormat object and add a day to the Date object?() A、 35. DateFormat df= DateFormat.getDateFormat(); 42. d.setTime( (60 * 60 * 24) +d.getTime());B、 35. DateFormat df= DateFormat.getDateJnstance(); 42. d.setTime( (1000 * 60 * 60 * 24) + d.getTime());C、 35. DateFormat df= DateFormat.getDateFormat(); 42. d.setLocalTime( (1000*60*60*24) + d.getLocalTime());D、 35. DateFormat df= DateFormat.getDateJnstance(); 42. d.setLocalTime( (60 * 60 * 24) + d.getLocalTime());
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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.
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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.
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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
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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 "); } } 结果为:() A、innerB、inner outerC、middle outerD、inner middle outer
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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.
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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(“C”); } finally { System.out.print(“B”); } System.out.print(“D”); } public static void badMethod() { throw new Error(); } } What is the result?()A
ABCDB
Compilation fails.C
C is printed before exiting with an error message.D
BC is printed before exiting with an error message.E
BCD is printed before exiting with an error message.
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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
多选题31. // some code here 32. try { 33. // some code here 34. } catch (SomeException se) { 35. // some code here 36. } finally { 37. // some code here 38. } Under which three circumstances will the code on line 37 be executed?()AThe instance gets garbage collected.BThe code on line 33 throws an exception.CThe code on line 35 throws an exception.DThe code on line 31 throws an exception.EThe code on line 33 executes successfully.
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.
考题
单选题33. try { 34. // some code here 35. } catch (NullPointerException e1) { 36. System.out.print(”a”); 37. } catch (RuntimeException e2) { 38. System.out.print(”b”); 39. } finally { 40. System.out.print(”c”); 41. } What is the result if a NullPointerException occurs on line 34?()A
cB
aC
abD
acE
bcF
abc
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