feat: Add ConvexHull new algorithm with Junit tests (#5789)

src/main/java/com/thealgorithms/geometry/GrahamScan.java

@@ -2,7 +2,6 @@ package com.thealgorithms.geometry;
 
 import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.Comparator;
 import java.util.Stack;
 
 /**
@@ -66,93 +65,4 @@ public class GrahamScan {
     public Iterable<Point> hull() {
         return new ArrayList<>(hull);
     }
-
-    public record Point(int x, int y) implements Comparable<Point> {
-
-        /**
-         * Default constructor
-         * @param x x-coordinate
-         * @param y y-coordinate
-         */
-        public Point {
-        }
-
-        /**
-         * @return the x-coordinate
-         */
-        @Override
-        public int x() {
-            return x;
-        }
-
-        /**
-         * @return the y-coordinate
-         */
-        @Override
-        public int y() {
-            return y;
-        }
-
-        /**
-         * Determines the orientation of the triplet (a, b, c).
-         *
-         * @param a The first point
-         * @param b The second point
-         * @param c The third point
-         * @return -1 if (a, b, c) is clockwise, 0 if collinear, +1 if counterclockwise
-         */
-        public static int orientation(Point a, Point b, Point c) {
-            int val = (b.x - a.x) * (c.y - a.y) - (b.y - a.y) * (c.x - a.x);
-            return Integer.compare(val, 0);
-        }
-
-        /**
-         * Compares this point with another point.
-         *
-         * @param p2 The point to compare to
-         * @return A positive integer if this point is greater, a negative integer if less, or 0 if equal
-         */
-        @Override
-        public int compareTo(Point p2) {
-            int cmpY = Integer.compare(this.y, p2.y);
-            return cmpY != 0 ? cmpY : Integer.compare(this.x, p2.x);
-        }
-
-        /**
-         * Returns a comparator to sort points by their polar order relative to this point.
-         *
-         * @return A polar order comparator
-         */
-        public Comparator<Point> polarOrder() {
-            return new PolarOrder();
-        }
-
-        private final class PolarOrder implements Comparator<Point> {
-            @Override
-            public int compare(Point p1, Point p2) {
-                int dx1 = p1.x - x;
-                int dy1 = p1.y - y;
-                int dx2 = p2.x - x;
-                int dy2 = p2.y - y;
-
-                if (dy1 >= 0 && dy2 < 0) {
-                    return -1; // p1 above p2
-                } else if (dy2 >= 0 && dy1 < 0) {
-                    return 1; // p1 below p2
-                } else if (dy1 == 0 && dy2 == 0) { // Collinear and horizontal
-                    return Integer.compare(dx2, dx1);
-                } else {
-                    return -orientation(Point.this, p1, p2); // Compare orientation
-                }
-            }
-        }
-
-        /**
-         * @return A string representation of this point in the format (x, y)
-         */
-        @Override
-        public String toString() {
-            return String.format("(%d, %d)", x, y);
-        }
-    }
 }