c加加 小问题 哪里出错

Question

#include
using namespace std;
class Student
{public:
Student(int n , float s)
{num=n;
score=s;}
~Student()
{cout<<"a dui "<<endl;}
void display();
{cout<<"num:"<<num<<endl;
cout<<"score:"<<score<<endl;}
private:
int num;
float score;
};
int main()
{
Student stud1(1001,66.6);
stud1.display();
Student stud2(1002,99.9);
stud2.display();
return 0;
}

#include
using namespace std;
class Student
{public:
Student(int =1001 , float =66.6);

  void display();

private:
int num;
float score;
};
Student::Student(int n , float s):num(n),score(s)
{}
void Student::display()
{cout<<"num:"<<num<<endl;
cout<<"score:"<<score<<endl;}
int main()
{
Student stud1();
Student stud2(1002,99.9);
stud1.display();
stud2.display();
return 0;
}

Answer 1

多了一个分号