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Write a program to get the area of a rectangle. Points are given in anti clock wise direction starting from bottom left point.

Input (Point, Point, Point, Point) Output (double)
[5, 2], [10, 2], [10, 5], [5, 5] 15.0
[4, 5], [6, 5], [6, 7], [4, 7] 4.0
[-12, -9], [-3, -9], [-3, 0], [-12, 0] 81.0
[-20, 5], [-10, 5], [-10, 10], [-20, 10] 50.0
[8, -12], [20, -12], [20, -4], [8, -4] 96.0



class AreaOfARectangle
{
    public static void main(String s[])
    {
        Point firstPoint = new Point(5, 2);
        Point secondPoint = new Point(10, 2);
        Point thirdPoint = new Point(10, 5);
        Point fourthPoint = new Point(5, 5);
        System.out.println("Area of a rectangle : " + areaOfARectangle(firstPoint, secondPoint, thirdPoint, fourthPoint));

    }


    public static double areaOfARectangle(Point firstPoint, Point secondPoint, Point thirdPoint, Point fourthPoint) {
    }
    

}
class Point {

double x;
double y;

Point(double x, double y) {
this.x = x;
this.y = y;
}
}

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Topic: Behavior Of Java Classes Using Methods

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