出错的语句在程序里做了注释： 谢谢
//demontrates of constructor and destructor
#include <iostream>
class NiaoRen{
      public:
      NiaoRen(int initialAge);
      ~NiaoRen();
      
      int GetAge();
      void SetAge(int age);
      void Meow();
      void Profession();
      //bool Accessment();
      private:
      int itsAge;
      
      };
      //GetAge, public accessor function
      //return value of itsAge member

/*bool NiaoRen::Accessment()
{
      std::cout <<"Good=1 or bad=0 guy\n" ;
      
      }*/
NiaoRen::NiaoRen(int initialAge)
{
      itsAge=initialAge;
      }
NiaoRen::~NiaoRen()
{
}
      
void NiaoRen::Profession()
{
      std::cout << "Programmer\n";
     }
int NiaoRen::GetAge()
{
       return itsAge;
     }
     //definition of SetAge, public
     //sets itsAge memeber
void NiaoRen::SetAge(int age)
{
     itsAge = age;
     //age=30;
     }
//meow method, returns void parameters:none action.prints meow on screen
void NiaoRen::Meow()
{
      std::cout << "Meow\n";
      }
int main()
{
     NiaoRen JiangBo(28);//default constructor
     //JiangBo.SetAge(30);
     //JiangBo.Meow();     
     std::cout << "NiaoRen was:\n";
    // std::cout << JiangBo GetAge() << " years old.\n\007";//这里出错
    // << " years old.\n";
     JiangBo.Meow();
     JiangBo.SetAge(30);
     std::cout << "Jiang Bo is a Niao Ren who is ";
     std::cout << JiangBo.GetAge() << " years old.\n\007";
     
     JiangBo.Meow();
     JiangBo.Profession();
              
     system("pause");
     }

你对了，我错了，
确实是那个点， 之所以没加那个点， 是因为书上没点，原来是书上的错误， 我还以为构造函数不需要那个点呢。。。。差点都学错了。