1. class rectangleType { public: //Postcondition: length = x; width = y; void se

Question

1. class rectangleType
{
public:
//Postcondition: length = x; width = y;
void setLengthWidth(double x, double y);

//Output length and width;
void print() const;

//Calculate and return the area of the rectangle;
double area();

//Calculate and return the parameter;
double perimeter();

//Postcondition: length = 0; width = 0;
rectangleType();
//Postcondition: length = x; width = y;
rectangleType(double x, double y);

private:
double length;
double width;
};

// and the object declaration

rectangleType bigRect(14,10);

Which of the following statements is correct?

bigRect.setLengthWidth();
bigRect.setLengthWidth(3.0, 2.0);
bigRect.length = 2.0;
bigRect.length = bigRect.width;

When creating a macro, which preprocessor directive is used?
ifndef
define
ifdef
endif

Which is a correct preprocessor directive statement?
define PI = 3.141593
define PI = 3.141593;
#define PI 3.141593
#define PI = 3.141593

Which is a correct preprocessor directive statement?
define PI = 3.141593
define PI = 3.141593;
#define PI 3.141593
#define PI = 3.141593

Explanation / Answer

1.bigRect.setLengthWidth(3.0, 2.0); 2. define 3. define PI = 3.141593; 4. define PI = 3.141593;

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