text: 
  #ifndef HELLOCLASS_H
  #define HELLOCLASS_H
  
  #include <stdio.h>
  #include <string>
  #include <iostream>
  
  
  using namespace std;
  
  namespace test
  {
  	class helloclass
  {
  	private:
  		
  	public:
  		void show();
  
  };
  
  
  };
  #endif //
  