Write an inheritance hierarchy for the classes quadrilateral, trapezoid, parallelogram, rectangle, and square. Use quadrilateral as the superclass of the hierarchy. Add as many levels as possible to the hierarchy. Specify instance variables and methods for each class. The private instance variables of quadrilateral must be the x,y coordinate pairs for the four endpoints of the quadrilateral. Write a program that creates object instances of your classes that prints the area of each object.

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