13.5 Focus on Software Engineering: Separating Class Specification from Implementation: 10896

Question

Write the interface (.h file) of a class  GasTank containing:
A data member named  amount of type double.
A data member named  capacity of type double.
A constructor that accepts a parameter of type double.
A function named  addGas that accepts a parameter of type double and returns no value.
A function named  useGas that accepts a parameter of type double and returns no value.
A function named  isEmpty that accepts no parameters and returns a boolean value.
A function named  isFull that accepts no parameters and returns a boolean value.
A function named  getGasLevel that accepts no parameters and returns a double.
A function named  fillUp that accepts no parameters and returns a double.

Solution
class GasTank
{
    private:
        double amount;
        double capacity;

    public:
        GasTank(double);
        void addGas(double);
        void useGas(double);
        bool isEmpty();
        bool isFull();
        double getGasLevel();
        double fillUp();
};

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