相关考题

单项选择题 现有:  class  Parser extends  Utilis  {  public static void main (String  []  args)  {  try  {  System. out.print (new  Parser ( ) .getlnt ("42")} ;     }  catch (NumberFormatException n) {  System.out .println ( "NFExc" ) ;   }     }  int getlnt (String arg)  throws NumberFormatException{    return Integer.parselnt (arg) ;     }     class Utils {  int getlnt (String arg)  {  return 42;  }    }  结果为 :()

单项选择题 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()

多项选择题 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 ?()