public?class?Demo?{??

????public?static?void?main(String[]?args)?{??

????????//?測試c的值??

????????int?c?=?10;??

????????c?=?method(10,?0);??

????????System.out.println("c?=?"?+?c);?//?20??

????}??

??

????public?static?int?method(int?a,?int?b)?{??

????????int?c?=?10;??

????????try?{??

??????????//可能出現異常??

????????????System.out.println(a?/?b);??

????????}?catch?(ArithmeticException?e)?{??

? ? ? ? ?

?//打印異常信息??

????????????e.printStackTrace();??

????????????return?c?=?20;??

????????}?finally?{??

????????????c?=?30;??

????????????return?c;??

????????}??

????}??

}