日期:2014-05-17 浏览次数:20984 次
 public int add(int a ,int b)
{
       try{
             int c = 0;
          return c = a + b;
           }
       catch(Exception ex)
       {
           return 0;
        }
public int mac(void)
{ 
      try{
       int a = 2 ;
       int b = 3;
       int d = 0 , e = 0;
       return(d = e + add(a ,b));
       }
       catch (Exception ex)
        {
       return 0 ;
          }
}
}
}