Computer Science A - Class Recatangle - 2/29/00

{
    public:
        const rectangle& operator = (const rectangle& );
        const rectangle& operator += (const rectangle& );
        double getLength();
        double getWidth();
};

//free function
rectangle operator + (const rectangle& , const rectangle& );

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first length initially = 0.00
first width initially = 0.00

first length after asignment = 2.00
first width after assignment = 3.00

first length after += = 4.00
first width after += = 6.00

first length after addition = 6.00
first width after addition = 9.00