I need to create a class Rectangle. This class stores only the Cartesian coordinates of the four corners of the rectangle. The constructor calls a set method that accepts four sets of coordinates and verifies that each of these is in the first quadrant with no single x- and y- coordinate larger than 20.0. The set method also verifies that the supplied coordinates do, in fact, specify a rectangle. Provide methods to calculate the length, width, perimeter, and area. The length is the larger of the two dimensions. Include a predicate method isSquare which determines whether a rectangle is a square. Write a program to test class Rectangle. If anyone could help me my email is ccaslin6@gmail. com
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