#include <string>
#include <iostream>

#ifndef _FIRSTCLASS_H
#define _FIRSTCLASS_H

class FirstClass {

  // members are private by default!
  int num;
  double value;
  std::string name;

 public:
  // Constructors 

  FirstClass();    // default constructor - no parameters
  FirstClass(int);  // conversion constructor - can only have 1 param
  FirstClass(double, int = 0, std::string = "");  // alternate constructor
  FirstClass(const FirstClass &);  // copy constructor

  // Destructor
  ~FirstClass();  // destructor

  // Accessors - typically we const protect the implicit object
  std::ostream & write(std::ostream &) const;
  std::string getName() const {return name;} ; // in-line definition

  // Mutators
  std::istream & read(std::istream &);
  bool setNum(int n);
  double deltaValue(double delta);

 private:
  // Helper Methods
  bool isValid(int n) { return n > 0 && n < 100; } ;

} ;  // do not forget semicolon!!

#endif