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Section 2 2 . 8 introduced an algorithm for finding the closest pair of points using a divide - and - conquer approach. Implement the

Section 22.8 introduced an algorithm for finding the closest pair of points using a divide-and-conquer approach. Implement the algorithm to meet the following requirements:
Define the classes Point and CompareY in the same way as in Programming Exercise 20.4.
Define a class named Pair with the data fields p1 and p2 to represent two points, and a method named getDistance() that returns the distance between the two points.
Implement the following methods:
/** Return the distance of the closest pair of points */
public static Pair getClosestPair(double[][] points)
/** Return the distance of the closest pair of points */
public static Pair getClosestPair(Point[] points)
/** Return the distance of the closest pair of points * in pointsOrderedOnX[low..high]. This is a recursive * method. pointsOrderedOnX and pointsOrderedOnY are * not changed in the subsequent recursive calls. */
public static Pair distance(Point[] pointsOrderedOnX, int low, int high, Point[] pointsOrderedOnY)
/** Compute the distance between two points p1 and p2*/
public static double distance(Point p1, Point p2)
/** Compute the distance between points (x1, y1) and (x2, y2)*/
public static double distance(double x1, double y1, double x2, double y2)

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