Add ConvexHullTest.java for convex hull algorithm testing

Author: MedhaSunkad13

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

@@ -0,0 +1,31 @@
+package com.thealgorithms.geometry;
+
+import java.util.*;
+
+public class ConvexHullTest {
+    public static void main(String[] args) {
+        List<Point> points = Arrays.asList(
+            new Point(0, 3),
+            new Point(2, 2),
+            new Point(1, 1),
+            new Point(2, 1),
+            new Point(3, 0),
+            new Point(0, 0),
+            new Point(3, 3)
+        );
+
+        System.out.println("Input Points:");
+        for (Point p : points) System.out.print(p + " ");
+        System.out.println();
+
+        List<Point> hullBruteForce = ConvexHull.convexHullBruteForce(points);
+        System.out.println("\nConvex Hull (Brute Force):");
+        for (Point p : hullBruteForce) System.out.print(p + " ");
+        System.out.println();
+
+        List<Point> hullRecursive = ConvexHull.convexHullRecursive(points);
+        System.out.println("\nConvex Hull (Recursive):");
+        for (Point p : hullRecursive) System.out.print(p + " ");
+        System.out.println();
+    }
+}