以下结构属于条件结构的是? A: switch…case…end B: try…catch...end C: do…while D: while…end

下面程序运行将会输出结果（ ）。try{String[] lines = new String[2];for(int i=0; iSystem.out.println(“The End”);}catch(NullPointerException e){System.out.printn(“***********”);}catch(ArrayIndexOutOfBoundsException e){System.out.println(“++++++”)}catch(Exception e){System.out.println(“==========”)} A: 00The End B: 00++++++ C: *********** D: ***********++++++==========

下面程序运行将会输出结果（ ）。try{String[] lines = new String[2];for(int i=0; i<3; i++) System.out.println(lines[i].length());System.out.println(“The End”);}catch(NullPointerException e){System.out.printn(“***********”);}catch(ArrayIndexOutOfBoundsException e){System.out.println(“++++++”)}catch(Exception e){System.out.println(“==========”)}[/i] A: 00++++++ B: ***********++++++========== C: *********** D: 00The End

I will make the machine work, even if I have to _____ all night for it. A: set up B: catch up C: end up D: stay up

It seems that we( )the April shipment． A: catch B: can catch C: will catch D: have catch

"catch on to"= "catch up with".()

以下程序段输出的结果为( )。 a=[1 2 3]; b=[2 4 6]';%转置 try c=a.*b; catch c=a*b; end c

以下的try~catch语句,哪种是不正确的? A: try{}catch(){}finally{} B: try{}catch(){}catch(){}finally{} C: try{}catch(){} D: try{}finally{}

以下程序的执行结果是？（）public static void main(String[] args) {// TODO 自动生成的方法存根try{methodA();}catch(IOException e){System.out.print("你好");}finally{System.out.print(" fine thanks.");}System.out.print(" end");}public static void methodA()throws IOException{System.out.print(" ok ");throw new IOException();}} A: ok 你好 fine thanks. end B: 你好 fine thanks. end C: ok 你好 end D: ok 你好 fine thanks.

使用捕获异常时，哪些组合使用方式是正确的 A: try{ }catch(){ } B: try{ }catch(){ }finally{ } C: try{ }finally{ } D: try{ }catch(){ }catch(){ }catch(){ }finally{ }