Another constructor that initializes the instance

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// another constructor that initializes the instance variables to some user defined variables public Rectangle(double initLength, double initWidth) { length = initLength; width = initWidth; } // Accessors (getters). These are used to get the value of an instance variable // return type needs to be the exact same as the variable public double getLength() { return length; } public double getWidth() { return width; } // Mutators (setters). These are used to change the value of an instance variable
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// return type needs to be the exact same as the variable public void setLength(double newLength) { length = newLength; } public void setWidth(double newWidth) { width = newWidth; } // A method to calculate the are and perimeter of a Rectangle public double area() { return length * width; } public double perimeter() { return 2*length + 2*width; } // A method to tell if the rectangle is a square public boolean isSquare() { if (length == width) return true; else return false; } // moved toString public String toString() { String result = "Length: " + length + "\nWidth: " + width + "\nArea: " + area() + "\nPerimeter: " + perimeter() + "\nIs a square? " + isSquare(); return result; } }
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