谁能帮我看看这个程序有什么问题

谁能帮我看看这个程序有什么问题，为什么会提示C:\Users\Administrator\Desktop\未命名1.cpp: In function `int main()':
C:\Users\Administrator\Desktop\未命名1.cpp:20: error: statement cannot resolve address of overloaded function
C:\Users\Administrator\Desktop\未命名1.cpp:21: error: statement cannot resolve address of overloaded function
C:\Users\Administrator\Desktop\未命名1.cpp:22: error: statement cannot resolve address of overloaded function
C:\Users\Administrator\Desktop\未命名1.cpp:23: error: statement cannot resolve address of overloaded function。
#include<iostream>
using namespace std;
class Student{
      private:
      
      int num;
      int sorce;
      public:
         void Setdata(){
              cin>>num;
              cin>>sorce;
              }
         void display(){
              cout<<"num="<<num<<endl;
              cout<<"sorce"<<sorce<<endl;
              };
         };
      Student stud1,stud2;
      int main(){
          stud1.Setdata;
          stud1.display;
          stud2.Setdata;
          stud2.display;  
          system("pause");
          return 0;        
          }