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
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 ?()
A
before catch
B
before after done
C
before catch done
D
before after catch
参考解析
解析:
暂无解析
相关考题:
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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
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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 ?() A、 before catchB、 before after doneC、 before catch doneD、 before after catch
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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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
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
class Order implements Runnable { public void run () { try { Thread.sleep (2000) ; } catch (Exception e) System.out.print("in") ; public static void main (String [] args) { Thread t = new Thread (new Order ()) ; t.start () ; System.out.print ("pre ") ; try { t.join () ; } catch (Exception e) { } System.out.print ("post") ; 可产生哪两项结果?() A、 pre in postB、 pre inC、 in post preD、 in pre postE、 pre post in
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.
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
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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.
多选题class Order implements Runnable { public void run () { try { Thread.sleep (2000) ; } catch (Exception e) System.out.print("in") ; public static void main (String [] args) { Thread t = new Thread (new Order ()) ; t.start () ; System.out.print ("pre ") ; try { t.join () ; } catch (Exception e) { } System.out.print ("post") ; 可产生哪两项结果?()Apre in postBpre inCin post preDin pre postEpre post in
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.
多选题class Order implements Runnable { public void run() { try { Thread.sleep(2000); } catch (Exception e) { } System.out.print("in "); } public static void main(String [] args) { Thread t = new Thread(new Order()); t.start(); System.out.print("pre "); try { t.join(); } catch (Exception e) { } System.out.print("post "); } } 可产生哪两项结果?()Ain preBpre inCin pre postDpre in post
多选题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 } } 可能会产生下面哪两项结果?()AbeforeBbefore catchCbefore after doneDbefore catch done